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Finding the Fourth Proportional to 19,248.85, 28,882.85 and 10,810.12

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Solution

The fourth proportional to 19,248.85, 28,882.85 and 10,810.12 is: 16,220.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,248.85 : 28,882.85 = 10,810.12 : x
  2. Step 2: Convert to fraction form
    19,248.85/28,882.85 = 10,810.12/x
  3. Step 3: Cross multiply
    19,248.85x = 28,882.85 × 10,810.12
  4. Step 4: Simplify right side
    19,248.85x = 312,226,875.98
  5. Step 5: Solve for x
    x = 312,226,875.98/19,248.85
  6. Step 6: Final answer
    x = 16,220.55

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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.