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Finding the Fourth Proportional to 65,510.51, 98,265.68 and 20,532.17

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Solution

The fourth proportional to 65,510.51, 98,265.68 and 20,532.17 is: 30,798.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,510.51 : 98,265.68 = 20,532.17 : x
  2. Step 2: Convert to fraction form
    65,510.51/98,265.68 = 20,532.17/x
  3. Step 3: Cross multiply
    65,510.51x = 98,265.68 × 20,532.17
  4. Step 4: Simplify right side
    65,510.51x = 2,017,607,052.94
  5. Step 5: Solve for x
    x = 2,017,607,052.94/65,510.51
  6. Step 6: Final answer
    x = 30,798.22

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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.