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Finding the Fourth Proportional to 58,505.60, 87,657.60 and 27,276.80

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Solution

The fourth proportional to 58,505.60, 87,657.60 and 27,276.80 is: 40,868.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,505.60 : 87,657.60 = 27,276.80 : x
  2. Step 2: Convert to fraction form
    58,505.60/87,657.60 = 27,276.80/x
  3. Step 3: Cross multiply
    58,505.60x = 87,657.60 × 27,276.80
  4. Step 4: Simplify right side
    58,505.60x = 2,391,018,823.68
  5. Step 5: Solve for x
    x = 2,391,018,823.68/58,505.60
  6. Step 6: Final answer
    x = 40,868.20

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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.