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Finding the Fourth Proportional to 5,107,671.03, 7,662,627.59 and 1,513,719.66

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Solution

The fourth proportional to 5,107,671.03, 7,662,627.59 and 1,513,719.66 is: 2,270,911.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,107,671.03 : 7,662,627.59 = 1,513,719.66 : x
  2. Step 2: Convert to fraction form
    5,107,671.03/7,662,627.59 = 1,513,719.66/x
  3. Step 3: Cross multiply
    5,107,671.03x = 7,662,627.59 × 1,513,719.66
  4. Step 4: Simplify right side
    5,107,671.03x = 11,599,070,022,672.82
  5. Step 5: Solve for x
    x = 11,599,070,022,672.82/5,107,671.03
  6. Step 6: Final answer
    x = 2,270,911.72

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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.