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Finding the Fourth Proportional to 8,484.52, 12,722.14 and 5,711.08

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Solution

The fourth proportional to 8,484.52, 12,722.14 and 5,711.08 is: 8,563.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,484.52 : 12,722.14 = 5,711.08 : x
  2. Step 2: Convert to fraction form
    8,484.52/12,722.14 = 5,711.08/x
  3. Step 3: Cross multiply
    8,484.52x = 12,722.14 × 5,711.08
  4. Step 4: Simplify right side
    8,484.52x = 72,657,159.31
  5. Step 5: Solve for x
    x = 72,657,159.31/8,484.52
  6. Step 6: Final answer
    x = 8,563.50

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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.