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Finding the Fourth Proportional to 17,006,551.80, 25,509,827.70 and 9,448,279.80

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Solution

The fourth proportional to 17,006,551.80, 25,509,827.70 and 9,448,279.80 is: 14,172,419.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,006,551.80 : 25,509,827.70 = 9,448,279.80 : x
  2. Step 2: Convert to fraction form
    17,006,551.80/25,509,827.70 = 9,448,279.80/x
  3. Step 3: Cross multiply
    17,006,551.80x = 25,509,827.70 × 9,448,279.80
  4. Step 4: Simplify right side
    17,006,551.80x = 241,023,989,759,390.47
  5. Step 5: Solve for x
    x = 241,023,989,759,390.47/17,006,551.80
  6. Step 6: Final answer
    x = 14,172,419.70

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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.