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Finding the Fourth Proportional to 5,887,382.40, 8,835,010.20 and 2,690,863.20

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Solution

The fourth proportional to 5,887,382.40, 8,835,010.20 and 2,690,863.20 is: 4,038,094.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,887,382.40 : 8,835,010.20 = 2,690,863.20 : x
  2. Step 2: Convert to fraction form
    5,887,382.40/8,835,010.20 = 2,690,863.20/x
  3. Step 3: Cross multiply
    5,887,382.40x = 8,835,010.20 × 2,690,863.20
  4. Step 4: Simplify right side
    5,887,382.40x = 23,773,803,818,804.64
  5. Step 5: Solve for x
    x = 23,773,803,818,804.64/5,887,382.40
  6. Step 6: Final answer
    x = 4,038,094.05

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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.