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Finding the Fourth Proportional to 58,089.60, 87,150.60 and 28,508.40

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Solution

The fourth proportional to 58,089.60, 87,150.60 and 28,508.40 is: 42,770.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,089.60 : 87,150.60 = 28,508.40 : x
  2. Step 2: Convert to fraction form
    58,089.60/87,150.60 = 28,508.40/x
  3. Step 3: Cross multiply
    58,089.60x = 87,150.60 × 28,508.40
  4. Step 4: Simplify right side
    58,089.60x = 2,484,524,165.04
  5. Step 5: Solve for x
    x = 2,484,524,165.04/58,089.60
  6. Step 6: Final answer
    x = 42,770.55

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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.