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Finding the Fourth Proportional to 58,391.71, 80,581.17 and 33,242.83

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Solution

The fourth proportional to 58,391.71, 80,581.17 and 33,242.83 is: 45,875.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,391.71 : 80,581.17 = 33,242.83 : x
  2. Step 2: Convert to fraction form
    58,391.71/80,581.17 = 33,242.83/x
  3. Step 3: Cross multiply
    58,391.71x = 80,581.17 × 33,242.83
  4. Step 4: Simplify right side
    58,391.71x = 2,678,746,135.51
  5. Step 5: Solve for x
    x = 2,678,746,135.51/58,391.71
  6. Step 6: Final answer
    x = 45,875.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.