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Finding the Fourth Proportional to 60,656.92, 90,985.40 and 23,695

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Solution

The fourth proportional to 60,656.92, 90,985.40 and 23,695 is: 35,542.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,656.92 : 90,985.40 = 23,695 : x
  2. Step 2: Convert to fraction form
    60,656.92/90,985.40 = 23,695/x
  3. Step 3: Cross multiply
    60,656.92x = 90,985.40 × 23,695
  4. Step 4: Simplify right side
    60,656.92x = 2,155,899,053
  5. Step 5: Solve for x
    x = 2,155,899,053/60,656.92
  6. Step 6: Final answer
    x = 35,542.51

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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.