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Finding the Fourth Proportional to 62,416.96, 86,129.21 and 35,557.87

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Solution

The fourth proportional to 62,416.96, 86,129.21 and 35,557.87 is: 49,066.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,416.96 : 86,129.21 = 35,557.87 : x
  2. Step 2: Convert to fraction form
    62,416.96/86,129.21 = 35,557.87/x
  3. Step 3: Cross multiply
    62,416.96x = 86,129.21 × 35,557.87
  4. Step 4: Simplify right side
    62,416.96x = 3,062,570,821.74
  5. Step 5: Solve for x
    x = 3,062,570,821.74/62,416.96
  6. Step 6: Final answer
    x = 49,066.32

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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.