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Finding the Fourth Proportional to 15,097.59, 20,834.82 and 8,808.75

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Solution

The fourth proportional to 15,097.59, 20,834.82 and 8,808.75 is: 12,156.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,097.59 : 20,834.82 = 8,808.75 : x
  2. Step 2: Convert to fraction form
    15,097.59/20,834.82 = 8,808.75/x
  3. Step 3: Cross multiply
    15,097.59x = 20,834.82 × 8,808.75
  4. Step 4: Simplify right side
    15,097.59x = 183,528,720.68
  5. Step 5: Solve for x
    x = 183,528,720.68/15,097.59
  6. Step 6: Final answer
    x = 12,156.16

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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.