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Finding the Fourth Proportional to 53,287.44, 79,970.16 and 25,604.88

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Solution

The fourth proportional to 53,287.44, 79,970.16 and 25,604.88 is: 38,426.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,287.44 : 79,970.16 = 25,604.88 : x
  2. Step 2: Convert to fraction form
    53,287.44/79,970.16 = 25,604.88/x
  3. Step 3: Cross multiply
    53,287.44x = 79,970.16 × 25,604.88
  4. Step 4: Simplify right side
    53,287.44x = 2,047,626,350.38
  5. Step 5: Solve for x
    x = 2,047,626,350.38/53,287.44
  6. Step 6: Final answer
    x = 38,426.06

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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.