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Finding the Fourth Proportional to 62,488.90, 93,741.45 and 30,915.10

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Solution

The fourth proportional to 62,488.90, 93,741.45 and 30,915.10 is: 46,376.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,488.90 : 93,741.45 = 30,915.10 : x
  2. Step 2: Convert to fraction form
    62,488.90/93,741.45 = 30,915.10/x
  3. Step 3: Cross multiply
    62,488.90x = 93,741.45 × 30,915.10
  4. Step 4: Simplify right side
    62,488.90x = 2,898,026,300.90
  5. Step 5: Solve for x
    x = 2,898,026,300.90/62,488.90
  6. Step 6: Final answer
    x = 46,376.66

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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.