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Finding the Fourth Proportional to 23,498.80, 35,247.96 and 7,916.32

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Solution

The fourth proportional to 23,498.80, 35,247.96 and 7,916.32 is: 11,874.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,498.80 : 35,247.96 = 7,916.32 : x
  2. Step 2: Convert to fraction form
    23,498.80/35,247.96 = 7,916.32/x
  3. Step 3: Cross multiply
    23,498.80x = 35,247.96 × 7,916.32
  4. Step 4: Simplify right side
    23,498.80x = 279,034,130.71
  5. Step 5: Solve for x
    x = 279,034,130.71/23,498.80
  6. Step 6: Final answer
    x = 11,874.40

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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.