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Finding the Fourth Proportional to 7,352.56, 10,148.20 and 5,756.08

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Solution

The fourth proportional to 7,352.56, 10,148.20 and 5,756.08 is: 7,944.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,352.56 : 10,148.20 = 5,756.08 : x
  2. Step 2: Convert to fraction form
    7,352.56/10,148.20 = 5,756.08/x
  3. Step 3: Cross multiply
    7,352.56x = 10,148.20 × 5,756.08
  4. Step 4: Simplify right side
    7,352.56x = 58,413,851.06
  5. Step 5: Solve for x
    x = 58,413,851.06/7,352.56
  6. Step 6: Final answer
    x = 7,944.70

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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.