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Finding the Fourth Proportional to 3,603.53, 4,973.22 and 2,259.36

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Solution

The fourth proportional to 3,603.53, 4,973.22 and 2,259.36 is: 3,118.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,603.53 : 4,973.22 = 2,259.36 : x
  2. Step 2: Convert to fraction form
    3,603.53/4,973.22 = 2,259.36/x
  3. Step 3: Cross multiply
    3,603.53x = 4,973.22 × 2,259.36
  4. Step 4: Simplify right side
    3,603.53x = 11,236,270.18
  5. Step 5: Solve for x
    x = 11,236,270.18/3,603.53
  6. Step 6: Final answer
    x = 3,118.13

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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.