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Finding the Fourth Proportional to 9,838,510.40, 14,763,986.40 and 5,794,990.40

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Solution

The fourth proportional to 9,838,510.40, 14,763,986.40 and 5,794,990.40 is: 8,696,149.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,838,510.40 : 14,763,986.40 = 5,794,990.40 : x
  2. Step 2: Convert to fraction form
    9,838,510.40/14,763,986.40 = 5,794,990.40/x
  3. Step 3: Cross multiply
    9,838,510.40x = 14,763,986.40 × 5,794,990.40
  4. Step 4: Simplify right side
    9,838,510.40x = 85,557,159,453,730.56
  5. Step 5: Solve for x
    x = 85,557,159,453,730.56/9,838,510.40
  6. Step 6: Final answer
    x = 8,696,149.72

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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.