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Finding the Fourth Proportional to 59,342.40, 88,905.60 and 28,108.80

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Solution

The fourth proportional to 59,342.40, 88,905.60 and 28,108.80 is: 42,112.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,342.40 : 88,905.60 = 28,108.80 : x
  2. Step 2: Convert to fraction form
    59,342.40/88,905.60 = 28,108.80/x
  3. Step 3: Cross multiply
    59,342.40x = 88,905.60 × 28,108.80
  4. Step 4: Simplify right side
    59,342.40x = 2,499,029,729.28
  5. Step 5: Solve for x
    x = 2,499,029,729.28/59,342.40
  6. Step 6: Final answer
    x = 42,112.04

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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.