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Finding the Fourth Proportional to 58,305.60, 87,343.20 and 34,862.40

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Solution

The fourth proportional to 58,305.60, 87,343.20 and 34,862.40 is: 52,224.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,305.60 : 87,343.20 = 34,862.40 : x
  2. Step 2: Convert to fraction form
    58,305.60/87,343.20 = 34,862.40/x
  3. Step 3: Cross multiply
    58,305.60x = 87,343.20 × 34,862.40
  4. Step 4: Simplify right side
    58,305.60x = 3,044,993,575.68
  5. Step 5: Solve for x
    x = 3,044,993,575.68/58,305.60
  6. Step 6: Final answer
    x = 52,224.72

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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.