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Finding the Fourth Proportional to 62,341.50, 86,031.75 and 34,047.20

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Solution

The fourth proportional to 62,341.50, 86,031.75 and 34,047.20 is: 46,985.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,341.50 : 86,031.75 = 34,047.20 : x
  2. Step 2: Convert to fraction form
    62,341.50/86,031.75 = 34,047.20/x
  3. Step 3: Cross multiply
    62,341.50x = 86,031.75 × 34,047.20
  4. Step 4: Simplify right side
    62,341.50x = 2,929,139,768.44
  5. Step 5: Solve for x
    x = 2,929,139,768.44/62,341.50
  6. Step 6: Final answer
    x = 46,985.39

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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.