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Finding the Fourth Proportional to 7,891,995.52, 10,898,313.48 and 5,808,746.80

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Solution

The fourth proportional to 7,891,995.52, 10,898,313.48 and 5,808,746.80 is: 8,021,487.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,891,995.52 : 10,898,313.48 = 5,808,746.80 : x
  2. Step 2: Convert to fraction form
    7,891,995.52/10,898,313.48 = 5,808,746.80/x
  3. Step 3: Cross multiply
    7,891,995.52x = 10,898,313.48 × 5,808,746.80
  4. Step 4: Simplify right side
    7,891,995.52x = 63,305,543,552,346.87
  5. Step 5: Solve for x
    x = 63,305,543,552,346.87/7,891,995.52
  6. Step 6: Final answer
    x = 8,021,487.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.