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Finding the Fourth Proportional to 7,527.95, 10,388.92 and 4,341.72

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Solution

The fourth proportional to 7,527.95, 10,388.92 and 4,341.72 is: 5,991.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,527.95 : 10,388.92 = 4,341.72 : x
  2. Step 2: Convert to fraction form
    7,527.95/10,388.92 = 4,341.72/x
  3. Step 3: Cross multiply
    7,527.95x = 10,388.92 × 4,341.72
  4. Step 4: Simplify right side
    7,527.95x = 45,105,781.74
  5. Step 5: Solve for x
    x = 45,105,781.74/7,527.95
  6. Step 6: Final answer
    x = 5,991.78

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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.