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Finding the Fourth Proportional to 62,125.29, 93,047.74 and 28,775.30

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Solution

The fourth proportional to 62,125.29, 93,047.74 and 28,775.30 is: 43,098.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,125.29 : 93,047.74 = 28,775.30 : x
  2. Step 2: Convert to fraction form
    62,125.29/93,047.74 = 28,775.30/x
  3. Step 3: Cross multiply
    62,125.29x = 93,047.74 × 28,775.30
  4. Step 4: Simplify right side
    62,125.29x = 2,677,476,400.20
  5. Step 5: Solve for x
    x = 2,677,476,400.20/62,125.29
  6. Step 6: Final answer
    x = 43,098.01

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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.