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Finding the Fourth Proportional to 82,426.56, 113,748.64 and 44,700.80

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Solution

The fourth proportional to 82,426.56, 113,748.64 and 44,700.80 is: 61,687.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,426.56 : 113,748.64 = 44,700.80 : x
  2. Step 2: Convert to fraction form
    82,426.56/113,748.64 = 44,700.80/x
  3. Step 3: Cross multiply
    82,426.56x = 113,748.64 × 44,700.80
  4. Step 4: Simplify right side
    82,426.56x = 5,084,655,206.91
  5. Step 5: Solve for x
    x = 5,084,655,206.91/82,426.56
  6. Step 6: Final answer
    x = 61,687.10

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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.