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Finding the Fourth Proportional to 58,386.76, 87,592.92 and 18,947.84

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Solution

The fourth proportional to 58,386.76, 87,592.92 and 18,947.84 is: 28,425.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,386.76 : 87,592.92 = 18,947.84 : x
  2. Step 2: Convert to fraction form
    58,386.76/87,592.92 = 18,947.84/x
  3. Step 3: Cross multiply
    58,386.76x = 87,592.92 × 18,947.84
  4. Step 4: Simplify right side
    58,386.76x = 1,659,696,633.29
  5. Step 5: Solve for x
    x = 1,659,696,633.29/58,386.76
  6. Step 6: Final answer
    x = 28,425.91

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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.