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Finding the Fourth Proportional to 41,117.86, 61,676.88 and 9,953.20

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Solution

The fourth proportional to 41,117.86, 61,676.88 and 9,953.20 is: 14,929.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,117.86 : 61,676.88 = 9,953.20 : x
  2. Step 2: Convert to fraction form
    41,117.86/61,676.88 = 9,953.20/x
  3. Step 3: Cross multiply
    41,117.86x = 61,676.88 × 9,953.20
  4. Step 4: Simplify right side
    41,117.86x = 613,882,322.02
  5. Step 5: Solve for x
    x = 613,882,322.02/41,117.86
  6. Step 6: Final answer
    x = 14,929.82

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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.