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Finding the Fourth Proportional to 5,893,262.80, 8,839,894.20 and 5,641,320.40

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Solution

The fourth proportional to 5,893,262.80, 8,839,894.20 and 5,641,320.40 is: 8,461,980.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,893,262.80 : 8,839,894.20 = 5,641,320.40 : x
  2. Step 2: Convert to fraction form
    5,893,262.80/8,839,894.20 = 5,641,320.40/x
  3. Step 3: Cross multiply
    5,893,262.80x = 8,839,894.20 × 5,641,320.40
  4. Step 4: Simplify right side
    5,893,262.80x = 49,868,675,484,301.68
  5. Step 5: Solve for x
    x = 49,868,675,484,301.68/5,893,262.80
  6. Step 6: Final answer
    x = 8,461,980.60

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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.