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Finding the Fourth Proportional to 18,124.17, 27,193.19 and 7,038.65

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Solution

The fourth proportional to 18,124.17, 27,193.19 and 7,038.65 is: 10,560.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,124.17 : 27,193.19 = 7,038.65 : x
  2. Step 2: Convert to fraction form
    18,124.17/27,193.19 = 7,038.65/x
  3. Step 3: Cross multiply
    18,124.17x = 27,193.19 × 7,038.65
  4. Step 4: Simplify right side
    18,124.17x = 191,403,175.63
  5. Step 5: Solve for x
    x = 191,403,175.63/18,124.17
  6. Step 6: Final answer
    x = 10,560.66

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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.