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Finding the Fourth Proportional to 18,547.52, 27,812.48 and 10,758.72

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Solution

The fourth proportional to 18,547.52, 27,812.48 and 10,758.72 is: 16,132.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,547.52 : 27,812.48 = 10,758.72 : x
  2. Step 2: Convert to fraction form
    18,547.52/27,812.48 = 10,758.72/x
  3. Step 3: Cross multiply
    18,547.52x = 27,812.48 × 10,758.72
  4. Step 4: Simplify right side
    18,547.52x = 299,226,684.83
  5. Step 5: Solve for x
    x = 299,226,684.83/18,547.52
  6. Step 6: Final answer
    x = 16,132.98

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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.