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Finding the Fourth Proportional to 58,013.61, 87,033.17 and 18,574.71

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Solution

The fourth proportional to 58,013.61, 87,033.17 and 18,574.71 is: 27,866.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,013.61 : 87,033.17 = 18,574.71 : x
  2. Step 2: Convert to fraction form
    58,013.61/87,033.17 = 18,574.71/x
  3. Step 3: Cross multiply
    58,013.61x = 87,033.17 × 18,574.71
  4. Step 4: Simplify right side
    58,013.61x = 1,616,615,893.13
  5. Step 5: Solve for x
    x = 1,616,615,893.13/58,013.61
  6. Step 6: Final answer
    x = 27,866.15

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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.