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Finding the Fourth Proportional to 65,343.92, 98,048.28 and 25,900.16

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Solution

The fourth proportional to 65,343.92, 98,048.28 and 25,900.16 is: 38,863.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,343.92 : 98,048.28 = 25,900.16 : x
  2. Step 2: Convert to fraction form
    65,343.92/98,048.28 = 25,900.16/x
  3. Step 3: Cross multiply
    65,343.92x = 98,048.28 × 25,900.16
  4. Step 4: Simplify right side
    65,343.92x = 2,539,466,139.72
  5. Step 5: Solve for x
    x = 2,539,466,139.72/65,343.92
  6. Step 6: Final answer
    x = 38,863.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.