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Finding the Fourth Proportional to 18,099.88, 24,981.24 and 10,547.32

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Solution

The fourth proportional to 18,099.88, 24,981.24 and 10,547.32 is: 14,557.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,099.88 : 24,981.24 = 10,547.32 : x
  2. Step 2: Convert to fraction form
    18,099.88/24,981.24 = 10,547.32/x
  3. Step 3: Cross multiply
    18,099.88x = 24,981.24 × 10,547.32
  4. Step 4: Simplify right side
    18,099.88x = 263,485,132.28
  5. Step 5: Solve for x
    x = 263,485,132.28/18,099.88
  6. Step 6: Final answer
    x = 14,557.29

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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.