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Finding the Fourth Proportional to 6,487.59, 9,713.03 and 5,043.63

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Solution

The fourth proportional to 6,487.59, 9,713.03 and 5,043.63 is: 7,551.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,487.59 : 9,713.03 = 5,043.63 : x
  2. Step 2: Convert to fraction form
    6,487.59/9,713.03 = 5,043.63/x
  3. Step 3: Cross multiply
    6,487.59x = 9,713.03 × 5,043.63
  4. Step 4: Simplify right side
    6,487.59x = 48,988,904.28
  5. Step 5: Solve for x
    x = 48,988,904.28/6,487.59
  6. Step 6: Final answer
    x = 7,551.17

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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.