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Finding the Fourth Proportional to 62,065.54, 93,025.42 and 28,715.16

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Solution

The fourth proportional to 62,065.54, 93,025.42 and 28,715.16 is: 43,039.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,065.54 : 93,025.42 = 28,715.16 : x
  2. Step 2: Convert to fraction form
    62,065.54/93,025.42 = 28,715.16/x
  3. Step 3: Cross multiply
    62,065.54x = 93,025.42 × 28,715.16
  4. Step 4: Simplify right side
    62,065.54x = 2,671,239,819.37
  5. Step 5: Solve for x
    x = 2,671,239,819.37/62,065.54
  6. Step 6: Final answer
    x = 43,039.02

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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.