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Finding the Fourth Proportional to 86,706.28, 130,062.14 and 23,526.21

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Solution

The fourth proportional to 86,706.28, 130,062.14 and 23,526.21 is: 35,290.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,706.28 : 130,062.14 = 23,526.21 : x
  2. Step 2: Convert to fraction form
    86,706.28/130,062.14 = 23,526.21/x
  3. Step 3: Cross multiply
    86,706.28x = 130,062.14 × 23,526.21
  4. Step 4: Simplify right side
    86,706.28x = 3,059,869,677.01
  5. Step 5: Solve for x
    x = 3,059,869,677.01/86,706.28
  6. Step 6: Final answer
    x = 35,290.06

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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.