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Finding the Fourth Proportional to 26,473.56, 39,701.90 and 8,700.12

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Solution

The fourth proportional to 26,473.56, 39,701.90 and 8,700.12 is: 13,047.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,473.56 : 39,701.90 = 8,700.12 : x
  2. Step 2: Convert to fraction form
    26,473.56/39,701.90 = 8,700.12/x
  3. Step 3: Cross multiply
    26,473.56x = 39,701.90 × 8,700.12
  4. Step 4: Simplify right side
    26,473.56x = 345,411,294.23
  5. Step 5: Solve for x
    x = 345,411,294.23/26,473.56
  6. Step 6: Final answer
    x = 13,047.41

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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.