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Finding the Fourth Proportional to 91,026.64, 136,482.90 and 27,825.76

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Solution

The fourth proportional to 91,026.64, 136,482.90 and 27,825.76 is: 41,721.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,026.64 : 136,482.90 = 27,825.76 : x
  2. Step 2: Convert to fraction form
    91,026.64/136,482.90 = 27,825.76/x
  3. Step 3: Cross multiply
    91,026.64x = 136,482.90 × 27,825.76
  4. Step 4: Simplify right side
    91,026.64x = 3,797,740,419.50
  5. Step 5: Solve for x
    x = 3,797,740,419.50/91,026.64
  6. Step 6: Final answer
    x = 41,721.20

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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.