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Finding the Fourth Proportional to 5,077,697.76, 7,616,728.08 and 1,711,933.92

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Solution

The fourth proportional to 5,077,697.76, 7,616,728.08 and 1,711,933.92 is: 2,567,962.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,077,697.76 : 7,616,728.08 = 1,711,933.92 : x
  2. Step 2: Convert to fraction form
    5,077,697.76/7,616,728.08 = 1,711,933.92/x
  3. Step 3: Cross multiply
    5,077,697.76x = 7,616,728.08 × 1,711,933.92
  4. Step 4: Simplify right side
    5,077,697.76x = 13,039,335,159,568.47
  5. Step 5: Solve for x
    x = 13,039,335,159,568.47/5,077,697.76
  6. Step 6: Final answer
    x = 2,567,962.05

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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.