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Finding the Fourth Proportional to 67,008.51, 92,471.87 and 38,714.22

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Solution

The fourth proportional to 67,008.51, 92,471.87 and 38,714.22 is: 53,425.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,008.51 : 92,471.87 = 38,714.22 : x
  2. Step 2: Convert to fraction form
    67,008.51/92,471.87 = 38,714.22/x
  3. Step 3: Cross multiply
    67,008.51x = 92,471.87 × 38,714.22
  4. Step 4: Simplify right side
    67,008.51x = 3,579,976,415.78
  5. Step 5: Solve for x
    x = 3,579,976,415.78/67,008.51
  6. Step 6: Final answer
    x = 53,425.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.