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Finding the Fourth Proportional to 53,148.60, 79,841.70 and 44,400.60

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Solution

The fourth proportional to 53,148.60, 79,841.70 and 44,400.60 is: 66,700.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,148.60 : 79,841.70 = 44,400.60 : x
  2. Step 2: Convert to fraction form
    53,148.60/79,841.70 = 44,400.60/x
  3. Step 3: Cross multiply
    53,148.60x = 79,841.70 × 44,400.60
  4. Step 4: Simplify right side
    53,148.60x = 3,545,019,385.02
  5. Step 5: Solve for x
    x = 3,545,019,385.02/53,148.60
  6. Step 6: Final answer
    x = 66,700.15

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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.