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Finding the Fourth Proportional to 3,805,895.76, 5,708,862.72 and 966,008.76

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Solution

The fourth proportional to 3,805,895.76, 5,708,862.72 and 966,008.76 is: 1,449,017.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,805,895.76 : 5,708,862.72 = 966,008.76 : x
  2. Step 2: Convert to fraction form
    3,805,895.76/5,708,862.72 = 966,008.76/x
  3. Step 3: Cross multiply
    3,805,895.76x = 5,708,862.72 × 966,008.76
  4. Step 4: Simplify right side
    3,805,895.76x = 5,514,811,397,157.43
  5. Step 5: Solve for x
    x = 5,514,811,397,157.43/3,805,895.76
  6. Step 6: Final answer
    x = 1,449,017.98

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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.