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Finding the Fourth Proportional to 8,794,558.80, 13,191,838.20 and 7,282,904.40

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Solution

The fourth proportional to 8,794,558.80, 13,191,838.20 and 7,282,904.40 is: 10,924,356.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,794,558.80 : 13,191,838.20 = 7,282,904.40 : x
  2. Step 2: Convert to fraction form
    8,794,558.80/13,191,838.20 = 7,282,904.40/x
  3. Step 3: Cross multiply
    8,794,558.80x = 13,191,838.20 × 7,282,904.40
  4. Step 4: Simplify right side
    8,794,558.80x = 96,074,896,470,868.08
  5. Step 5: Solve for x
    x = 96,074,896,470,868.08/8,794,558.80
  6. Step 6: Final answer
    x = 10,924,356.60

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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.