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Finding the Fourth Proportional to 8,399,097.84, 12,600,653.40 and 2,719,328.16

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Solution

The fourth proportional to 8,399,097.84, 12,600,653.40 and 2,719,328.16 is: 4,079,641.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,399,097.84 : 12,600,653.40 = 2,719,328.16 : x
  2. Step 2: Convert to fraction form
    8,399,097.84/12,600,653.40 = 2,719,328.16/x
  3. Step 3: Cross multiply
    8,399,097.84x = 12,600,653.40 × 2,719,328.16
  4. Step 4: Simplify right side
    8,399,097.84x = 34,265,311,625,019.75
  5. Step 5: Solve for x
    x = 34,265,311,625,019.75/8,399,097.84
  6. Step 6: Final answer
    x = 4,079,641.92

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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.