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Finding the Fourth Proportional to 26,988.39, 40,482.59 and 9,454.12

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Solution

The fourth proportional to 26,988.39, 40,482.59 and 9,454.12 is: 14,181.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,988.39 : 40,482.59 = 9,454.12 : x
  2. Step 2: Convert to fraction form
    26,988.39/40,482.59 = 9,454.12/x
  3. Step 3: Cross multiply
    26,988.39x = 40,482.59 × 9,454.12
  4. Step 4: Simplify right side
    26,988.39x = 382,727,115.29
  5. Step 5: Solve for x
    x = 382,727,115.29/26,988.39
  6. Step 6: Final answer
    x = 14,181.18

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Double scale
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Similar ratio
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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.