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Finding the Fourth Proportional to 23,697.60, 35,547.12 and 8,115

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Solution

The fourth proportional to 23,697.60, 35,547.12 and 8,115 is: 12,172.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,697.60 : 35,547.12 = 8,115 : x
  2. Step 2: Convert to fraction form
    23,697.60/35,547.12 = 8,115/x
  3. Step 3: Cross multiply
    23,697.60x = 35,547.12 × 8,115
  4. Step 4: Simplify right side
    23,697.60x = 288,464,878.80
  5. Step 5: Solve for x
    x = 288,464,878.80/23,697.60
  6. Step 6: Final answer
    x = 12,172.75

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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.