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Finding the Fourth Proportional to 44,559.60, 66,823.20 and 14,978.40

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Solution

The fourth proportional to 44,559.60, 66,823.20 and 14,978.40 is: 22,462.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,559.60 : 66,823.20 = 14,978.40 : x
  2. Step 2: Convert to fraction form
    44,559.60/66,823.20 = 14,978.40/x
  3. Step 3: Cross multiply
    44,559.60x = 66,823.20 × 14,978.40
  4. Step 4: Simplify right side
    44,559.60x = 1,000,904,618.88
  5. Step 5: Solve for x
    x = 1,000,904,618.88/44,559.60
  6. Step 6: Final answer
    x = 22,462.15

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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.