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Finding the Fourth Proportional to 3,754,695.76, 5,623,887.48 and 2,310,978.64

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Solution

The fourth proportional to 3,754,695.76, 5,623,887.48 and 2,310,978.64 is: 3,461,447.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,754,695.76 : 5,623,887.48 = 2,310,978.64 : x
  2. Step 2: Convert to fraction form
    3,754,695.76/5,623,887.48 = 2,310,978.64/x
  3. Step 3: Cross multiply
    3,754,695.76x = 5,623,887.48 × 2,310,978.64
  4. Step 4: Simplify right side
    3,754,695.76x = 12,996,683,840,043.43
  5. Step 5: Solve for x
    x = 12,996,683,840,043.43/3,754,695.76
  6. Step 6: Final answer
    x = 3,461,447.92

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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.