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Finding the Fourth Proportional to 7,275.87, 10,041.17 and 4,089.47

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Solution

The fourth proportional to 7,275.87, 10,041.17 and 4,089.47 is: 5,643.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,275.87 : 10,041.17 = 4,089.47 : x
  2. Step 2: Convert to fraction form
    7,275.87/10,041.17 = 4,089.47/x
  3. Step 3: Cross multiply
    7,275.87x = 10,041.17 × 4,089.47
  4. Step 4: Simplify right side
    7,275.87x = 41,062,992.83
  5. Step 5: Solve for x
    x = 41,062,992.83/7,275.87
  6. Step 6: Final answer
    x = 5,643.72

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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.