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Finding the Fourth Proportional to 4,703.88, 7,021.47 and 4,361.25

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Solution

The fourth proportional to 4,703.88, 7,021.47 and 4,361.25 is: 6,510.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,703.88 : 7,021.47 = 4,361.25 : x
  2. Step 2: Convert to fraction form
    4,703.88/7,021.47 = 4,361.25/x
  3. Step 3: Cross multiply
    4,703.88x = 7,021.47 × 4,361.25
  4. Step 4: Simplify right side
    4,703.88x = 30,622,386.04
  5. Step 5: Solve for x
    x = 30,622,386.04/4,703.88
  6. Step 6: Final answer
    x = 6,510.03

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.