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Finding the Fourth Proportional to 7,437.54, 10,250.28 and 7,224.30

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Solution

The fourth proportional to 7,437.54, 10,250.28 and 7,224.30 is: 9,956.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,437.54 : 10,250.28 = 7,224.30 : x
  2. Step 2: Convert to fraction form
    7,437.54/10,250.28 = 7,224.30/x
  3. Step 3: Cross multiply
    7,437.54x = 10,250.28 × 7,224.30
  4. Step 4: Simplify right side
    7,437.54x = 74,051,097.80
  5. Step 5: Solve for x
    x = 74,051,097.80/7,437.54
  6. Step 6: Final answer
    x = 9,956.40

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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.