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Finding the Fourth Proportional to 53,034.60, 79,550.10 and 13,592.10

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Solution

The fourth proportional to 53,034.60, 79,550.10 and 13,592.10 is: 20,387.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,034.60 : 79,550.10 = 13,592.10 : x
  2. Step 2: Convert to fraction form
    53,034.60/79,550.10 = 13,592.10/x
  3. Step 3: Cross multiply
    53,034.60x = 79,550.10 × 13,592.10
  4. Step 4: Simplify right side
    53,034.60x = 1,081,252,914.21
  5. Step 5: Solve for x
    x = 1,081,252,914.21/53,034.60
  6. Step 6: Final answer
    x = 20,387.69

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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.