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Finding the Fourth Proportional to 17,339,928.40, 26,002,019.40 and 6,553,644.40

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Solution

The fourth proportional to 17,339,928.40, 26,002,019.40 and 6,553,644.40 is: 9,827,490.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,339,928.40 : 26,002,019.40 = 6,553,644.40 : x
  2. Step 2: Convert to fraction form
    17,339,928.40/26,002,019.40 = 6,553,644.40/x
  3. Step 3: Cross multiply
    17,339,928.40x = 26,002,019.40 × 6,553,644.40
  4. Step 4: Simplify right side
    17,339,928.40x = 170,407,988,829,501.38
  5. Step 5: Solve for x
    x = 170,407,988,829,501.38/17,339,928.40
  6. Step 6: Final answer
    x = 9,827,490.92

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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.