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Finding the Fourth Proportional to 8,339,566.16, 12,510,282.36 and 2,658,472.40

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Solution

The fourth proportional to 8,339,566.16, 12,510,282.36 and 2,658,472.40 is: 3,988,006.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,339,566.16 : 12,510,282.36 = 2,658,472.40 : x
  2. Step 2: Convert to fraction form
    8,339,566.16/12,510,282.36 = 2,658,472.40/x
  3. Step 3: Cross multiply
    8,339,566.16x = 12,510,282.36 × 2,658,472.40
  4. Step 4: Simplify right side
    8,339,566.16x = 33,258,240,370,266.86
  5. Step 5: Solve for x
    x = 33,258,240,370,266.86/8,339,566.16
  6. Step 6: Final answer
    x = 3,988,006.06

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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.