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Finding the Fourth Proportional to 71,044.17, 98,018.15 and 47,175.63

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Solution

The fourth proportional to 71,044.17, 98,018.15 and 47,175.63 is: 65,087.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,044.17 : 98,018.15 = 47,175.63 : x
  2. Step 2: Convert to fraction form
    71,044.17/98,018.15 = 47,175.63/x
  3. Step 3: Cross multiply
    71,044.17x = 98,018.15 × 47,175.63
  4. Step 4: Simplify right side
    71,044.17x = 4,624,067,741.81
  5. Step 5: Solve for x
    x = 4,624,067,741.81/71,044.17
  6. Step 6: Final answer
    x = 65,087.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.