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Finding the Fourth Proportional to 3,957,053.85, 5,931,465.52 and 1,529,874.16

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Solution

The fourth proportional to 3,957,053.85, 5,931,465.52 and 1,529,874.16 is: 2,293,220.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,957,053.85 : 5,931,465.52 = 1,529,874.16 : x
  2. Step 2: Convert to fraction form
    3,957,053.85/5,931,465.52 = 1,529,874.16/x
  3. Step 3: Cross multiply
    3,957,053.85x = 5,931,465.52 × 1,529,874.16
  4. Step 4: Simplify right side
    3,957,053.85x = 9,074,395,829,978.96
  5. Step 5: Solve for x
    x = 9,074,395,829,978.96/3,957,053.85
  6. Step 6: Final answer
    x = 2,293,220.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.