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Finding the Fourth Proportional to 25,759.68, 35,547.68 and 15,146.88

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Solution

The fourth proportional to 25,759.68, 35,547.68 and 15,146.88 is: 20,902.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,759.68 : 35,547.68 = 15,146.88 : x
  2. Step 2: Convert to fraction form
    25,759.68/35,547.68 = 15,146.88/x
  3. Step 3: Cross multiply
    25,759.68x = 35,547.68 × 15,146.88
  4. Step 4: Simplify right side
    25,759.68x = 538,436,443.24
  5. Step 5: Solve for x
    x = 538,436,443.24/25,759.68
  6. Step 6: Final answer
    x = 20,902.30

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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.