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Finding the Fourth Proportional to 7,736,698.95, 11,605,048.43 and 4,149,472.20

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Solution

The fourth proportional to 7,736,698.95, 11,605,048.43 and 4,149,472.20 is: 6,224,208.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,736,698.95 : 11,605,048.43 = 4,149,472.20 : x
  2. Step 2: Convert to fraction form
    7,736,698.95/11,605,048.43 = 4,149,472.20/x
  3. Step 3: Cross multiply
    7,736,698.95x = 11,605,048.43 × 4,149,472.20
  4. Step 4: Simplify right side
    7,736,698.95x = 48,154,825,819,191.29
  5. Step 5: Solve for x
    x = 48,154,825,819,191.29/7,736,698.95
  6. Step 6: Final answer
    x = 6,224,208.30

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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.