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Finding the Fourth Proportional to 6,561,831.60, 9,842,747.40 and 6,561,831.60

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Solution

The fourth proportional to 6,561,831.60, 9,842,747.40 and 6,561,831.60 is: 9,842,747.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,561,831.60 : 9,842,747.40 = 6,561,831.60 : x
  2. Step 2: Convert to fraction form
    6,561,831.60/9,842,747.40 = 6,561,831.60/x
  3. Step 3: Cross multiply
    6,561,831.60x = 9,842,747.40 × 6,561,831.60
  4. Step 4: Simplify right side
    6,561,831.60x = 64,586,450,920,137.84
  5. Step 5: Solve for x
    x = 64,586,450,920,137.84/6,561,831.60
  6. Step 6: Final answer
    x = 9,842,747.40

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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.