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Finding the Fourth Proportional to 8,437.59, 11,643.89 and 4,711.59

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Solution

The fourth proportional to 8,437.59, 11,643.89 and 4,711.59 is: 6,502.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,437.59 : 11,643.89 = 4,711.59 : x
  2. Step 2: Convert to fraction form
    8,437.59/11,643.89 = 4,711.59/x
  3. Step 3: Cross multiply
    8,437.59x = 11,643.89 × 4,711.59
  4. Step 4: Simplify right side
    8,437.59x = 54,861,212.13
  5. Step 5: Solve for x
    x = 54,861,212.13/8,437.59
  6. Step 6: Final answer
    x = 6,502.00

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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.