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Finding the Fourth Proportional to 8,750,908.20, 13,103,449.02 and 7,035,937.32

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Solution

The fourth proportional to 8,750,908.20, 13,103,449.02 and 7,035,937.32 is: 10,535,483.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,750,908.20 : 13,103,449.02 = 7,035,937.32 : x
  2. Step 2: Convert to fraction form
    8,750,908.20/13,103,449.02 = 7,035,937.32/x
  3. Step 3: Cross multiply
    8,750,908.20x = 13,103,449.02 × 7,035,937.32
  4. Step 4: Simplify right side
    8,750,908.20x = 92,195,045,980,535.42
  5. Step 5: Solve for x
    x = 92,195,045,980,535.42/8,750,908.20
  6. Step 6: Final answer
    x = 10,535,483.16

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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.