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Finding the Fourth Proportional to 62,341.32, 86,031.48 and 34,047.72

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Solution

The fourth proportional to 62,341.32, 86,031.48 and 34,047.72 is: 46,986.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,341.32 : 86,031.48 = 34,047.72 : x
  2. Step 2: Convert to fraction form
    62,341.32/86,031.48 = 34,047.72/x
  3. Step 3: Cross multiply
    62,341.32x = 86,031.48 × 34,047.72
  4. Step 4: Simplify right side
    62,341.32x = 2,929,175,742.23
  5. Step 5: Solve for x
    x = 2,929,175,742.23/62,341.32
  6. Step 6: Final answer
    x = 46,986.10

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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.