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Finding the Fourth Proportional to 8,398,958.42, 11,584,374.53 and 6,334,061.01

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Solution

The fourth proportional to 8,398,958.42, 11,584,374.53 and 6,334,061.01 is: 8,736,337.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,398,958.42 : 11,584,374.53 = 6,334,061.01 : x
  2. Step 2: Convert to fraction form
    8,398,958.42/11,584,374.53 = 6,334,061.01/x
  3. Step 3: Cross multiply
    8,398,958.42x = 11,584,374.53 × 6,334,061.01
  4. Step 4: Simplify right side
    8,398,958.42x = 73,376,135,004,039.77
  5. Step 5: Solve for x
    x = 73,376,135,004,039.77/8,398,958.42
  6. Step 6: Final answer
    x = 8,736,337.45

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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.