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Finding the Fourth Proportional to 7,232.64, 9,988.14 and 5,000.28

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Solution

The fourth proportional to 7,232.64, 9,988.14 and 5,000.28 is: 6,905.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,232.64 : 9,988.14 = 5,000.28 : x
  2. Step 2: Convert to fraction form
    7,232.64/9,988.14 = 5,000.28/x
  3. Step 3: Cross multiply
    7,232.64x = 9,988.14 × 5,000.28
  4. Step 4: Simplify right side
    7,232.64x = 49,943,496.68
  5. Step 5: Solve for x
    x = 49,943,496.68/7,232.64
  6. Step 6: Final answer
    x = 6,905.29

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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.