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Finding the Fourth Proportional to 6,574,831.78, 9,073,241.48 and 3,674,221.88

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Solution

The fourth proportional to 6,574,831.78, 9,073,241.48 and 3,674,221.88 is: 5,070,411.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,574,831.78 : 9,073,241.48 = 3,674,221.88 : x
  2. Step 2: Convert to fraction form
    6,574,831.78/9,073,241.48 = 3,674,221.88/x
  3. Step 3: Cross multiply
    6,574,831.78x = 9,073,241.48 × 3,674,221.88
  4. Step 4: Simplify right side
    6,574,831.78x = 33,337,102,368,339.58
  5. Step 5: Solve for x
    x = 33,337,102,368,339.58/6,574,831.78
  6. Step 6: Final answer
    x = 5,070,411.45

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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.