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Finding the Fourth Proportional to 65,527.76, 90,402.04 and 41,320.76

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Solution

The fourth proportional to 65,527.76, 90,402.04 and 41,320.76 is: 57,006.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,527.76 : 90,402.04 = 41,320.76 : x
  2. Step 2: Convert to fraction form
    65,527.76/90,402.04 = 41,320.76/x
  3. Step 3: Cross multiply
    65,527.76x = 90,402.04 × 41,320.76
  4. Step 4: Simplify right side
    65,527.76x = 3,735,480,998.35
  5. Step 5: Solve for x
    x = 3,735,480,998.35/65,527.76
  6. Step 6: Final answer
    x = 57,006.08

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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.