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Finding the Fourth Proportional to 62,262, 93,407.58 and 20,709

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Solution

The fourth proportional to 62,262, 93,407.58 and 20,709 is: 31,068.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,262 : 93,407.58 = 20,709 : x
  2. Step 2: Convert to fraction form
    62,262/93,407.58 = 20,709/x
  3. Step 3: Cross multiply
    62,262x = 93,407.58 × 20,709
  4. Step 4: Simplify right side
    62,262x = 1,934,377,574.22
  5. Step 5: Solve for x
    x = 1,934,377,574.22/62,262
  6. Step 6: Final answer
    x = 31,068.35

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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.