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Finding the Fourth Proportional to 10,672.95, 16,001.14 and 6,916.79

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Solution

The fourth proportional to 10,672.95, 16,001.14 and 6,916.79 is: 10,369.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,672.95 : 16,001.14 = 6,916.79 : x
  2. Step 2: Convert to fraction form
    10,672.95/16,001.14 = 6,916.79/x
  3. Step 3: Cross multiply
    10,672.95x = 16,001.14 × 6,916.79
  4. Step 4: Simplify right side
    10,672.95x = 110,676,547.85
  5. Step 5: Solve for x
    x = 110,676,547.85/10,672.95
  6. Step 6: Final answer
    x = 10,369.82

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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.