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Finding the Fourth Proportional to 62,411.84, 93,622.92 and 20,290.97

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Solution

The fourth proportional to 62,411.84, 93,622.92 and 20,290.97 is: 30,438.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,411.84 : 93,622.92 = 20,290.97 : x
  2. Step 2: Convert to fraction form
    62,411.84/93,622.92 = 20,290.97/x
  3. Step 3: Cross multiply
    62,411.84x = 93,622.92 × 20,290.97
  4. Step 4: Simplify right side
    62,411.84x = 1,899,699,606.51
  5. Step 5: Solve for x
    x = 1,899,699,606.51/62,411.84
  6. Step 6: Final answer
    x = 30,438.13

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1.5x scale

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.