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Finding the Fourth Proportional to 52,955.91, 79,444.80 and 15,517.20

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Solution

The fourth proportional to 52,955.91, 79,444.80 and 15,517.20 is: 23,279.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,955.91 : 79,444.80 = 15,517.20 : x
  2. Step 2: Convert to fraction form
    52,955.91/79,444.80 = 15,517.20/x
  3. Step 3: Cross multiply
    52,955.91x = 79,444.80 × 15,517.20
  4. Step 4: Simplify right side
    52,955.91x = 1,232,761,148.48
  5. Step 5: Solve for x
    x = 1,232,761,148.48/52,955.91
  6. Step 6: Final answer
    x = 23,279.01

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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.