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Finding the Fourth Proportional to 8,502.58, 12,761.34 and 4,557.06

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Solution

The fourth proportional to 8,502.58, 12,761.34 and 4,557.06 is: 6,839.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,502.58 : 12,761.34 = 4,557.06 : x
  2. Step 2: Convert to fraction form
    8,502.58/12,761.34 = 4,557.06/x
  3. Step 3: Cross multiply
    8,502.58x = 12,761.34 × 4,557.06
  4. Step 4: Simplify right side
    8,502.58x = 58,154,192.06
  5. Step 5: Solve for x
    x = 58,154,192.06/8,502.58
  6. Step 6: Final answer
    x = 6,839.59

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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.