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Finding the Fourth Proportional to 60,656.67, 90,985.82 and 25,620.93

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Solution

The fourth proportional to 60,656.67, 90,985.82 and 25,620.93 is: 38,431.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,656.67 : 90,985.82 = 25,620.93 : x
  2. Step 2: Convert to fraction form
    60,656.67/90,985.82 = 25,620.93/x
  3. Step 3: Cross multiply
    60,656.67x = 90,985.82 × 25,620.93
  4. Step 4: Simplify right side
    60,656.67x = 2,331,141,197.11
  5. Step 5: Solve for x
    x = 2,331,141,197.11/60,656.67
  6. Step 6: Final answer
    x = 38,431.74

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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.