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Finding the Fourth Proportional to 6,703.69, 9,253.21 and 4,720.05

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Solution

The fourth proportional to 6,703.69, 9,253.21 and 4,720.05 is: 6,515.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,703.69 : 9,253.21 = 4,720.05 : x
  2. Step 2: Convert to fraction form
    6,703.69/9,253.21 = 4,720.05/x
  3. Step 3: Cross multiply
    6,703.69x = 9,253.21 × 4,720.05
  4. Step 4: Simplify right side
    6,703.69x = 43,675,598.16
  5. Step 5: Solve for x
    x = 43,675,598.16/6,703.69
  6. Step 6: Final answer
    x = 6,515.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.