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Finding the Fourth Proportional to 62,431, 93,646.59 and 25,495

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Solution

The fourth proportional to 62,431, 93,646.59 and 25,495 is: 38,242.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,431 : 93,646.59 = 25,495 : x
  2. Step 2: Convert to fraction form
    62,431/93,646.59 = 25,495/x
  3. Step 3: Cross multiply
    62,431x = 93,646.59 × 25,495
  4. Step 4: Simplify right side
    62,431x = 2,387,519,812.05
  5. Step 5: Solve for x
    x = 2,387,519,812.05/62,431
  6. Step 6: Final answer
    x = 38,242.54

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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.