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Finding the Fourth Proportional to 58,201.60, 87,244.80 and 28,595.20

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Solution

The fourth proportional to 58,201.60, 87,244.80 and 28,595.20 is: 42,864.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,201.60 : 87,244.80 = 28,595.20 : x
  2. Step 2: Convert to fraction form
    58,201.60/87,244.80 = 28,595.20/x
  3. Step 3: Cross multiply
    58,201.60x = 87,244.80 × 28,595.20
  4. Step 4: Simplify right side
    58,201.60x = 2,494,782,504.96
  5. Step 5: Solve for x
    x = 2,494,782,504.96/58,201.60
  6. Step 6: Final answer
    x = 42,864.50

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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.