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Finding the Fourth Proportional to 58,874.40, 88,311.60 and 36,712.80

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Solution

The fourth proportional to 58,874.40, 88,311.60 and 36,712.80 is: 55,069.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,874.40 : 88,311.60 = 36,712.80 : x
  2. Step 2: Convert to fraction form
    58,874.40/88,311.60 = 36,712.80/x
  3. Step 3: Cross multiply
    58,874.40x = 88,311.60 × 36,712.80
  4. Step 4: Simplify right side
    58,874.40x = 3,242,166,108.48
  5. Step 5: Solve for x
    x = 3,242,166,108.48/58,874.40
  6. Step 6: Final answer
    x = 55,069.20

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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.