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Finding the Fourth Proportional to 44,115.39, 66,127.95 and 19,134.39

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Solution

The fourth proportional to 44,115.39, 66,127.95 and 19,134.39 is: 28,682.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,115.39 : 66,127.95 = 19,134.39 : x
  2. Step 2: Convert to fraction form
    44,115.39/66,127.95 = 19,134.39/x
  3. Step 3: Cross multiply
    44,115.39x = 66,127.95 × 19,134.39
  4. Step 4: Simplify right side
    44,115.39x = 1,265,317,985.20
  5. Step 5: Solve for x
    x = 1,265,317,985.20/44,115.39
  6. Step 6: Final answer
    x = 28,682.01

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1.5x scale

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.