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Finding the Fourth Proportional to 17,654,693.40, 26,482,040.10 and 9,137,640.60

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Solution

The fourth proportional to 17,654,693.40, 26,482,040.10 and 9,137,640.60 is: 13,706,460.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,654,693.40 : 26,482,040.10 = 9,137,640.60 : x
  2. Step 2: Convert to fraction form
    17,654,693.40/26,482,040.10 = 9,137,640.60/x
  3. Step 3: Cross multiply
    17,654,693.40x = 26,482,040.10 × 9,137,640.60
  4. Step 4: Simplify right side
    17,654,693.40x = 241,983,364,788,588.06
  5. Step 5: Solve for x
    x = 241,983,364,788,588.06/17,654,693.40
  6. Step 6: Final answer
    x = 13,706,460.90

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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.