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Finding the Fourth Proportional to 8,988.56, 12,384.50 and 6,710.24

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Solution

The fourth proportional to 8,988.56, 12,384.50 and 6,710.24 is: 9,245.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,988.56 : 12,384.50 = 6,710.24 : x
  2. Step 2: Convert to fraction form
    8,988.56/12,384.50 = 6,710.24/x
  3. Step 3: Cross multiply
    8,988.56x = 12,384.50 × 6,710.24
  4. Step 4: Simplify right side
    8,988.56x = 83,102,967.28
  5. Step 5: Solve for x
    x = 83,102,967.28/8,988.56
  6. Step 6: Final answer
    x = 9,245.41

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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.