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Finding the Fourth Proportional to 62,421.30, 93,579.30 and 29,123.82

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Solution

The fourth proportional to 62,421.30, 93,579.30 and 29,123.82 is: 43,661.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,421.30 : 93,579.30 = 29,123.82 : x
  2. Step 2: Convert to fraction form
    62,421.30/93,579.30 = 29,123.82/x
  3. Step 3: Cross multiply
    62,421.30x = 93,579.30 × 29,123.82
  4. Step 4: Simplify right side
    62,421.30x = 2,725,386,688.93
  5. Step 5: Solve for x
    x = 2,725,386,688.93/62,421.30
  6. Step 6: Final answer
    x = 43,661.17

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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.