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Finding the Fourth Proportional to 7,796,247.60, 11,681,929.80 and 6,527,204.40

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Solution

The fourth proportional to 7,796,247.60, 11,681,929.80 and 6,527,204.40 is: 9,780,390.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,796,247.60 : 11,681,929.80 = 6,527,204.40 : x
  2. Step 2: Convert to fraction form
    7,796,247.60/11,681,929.80 = 6,527,204.40/x
  3. Step 3: Cross multiply
    7,796,247.60x = 11,681,929.80 × 6,527,204.40
  4. Step 4: Simplify right side
    7,796,247.60x = 76,250,343,591,051.12
  5. Step 5: Solve for x
    x = 76,250,343,591,051.12/7,796,247.60
  6. Step 6: Final answer
    x = 9,780,390.20

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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.