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Finding the Fourth Proportional to 32,499.88, 48,742.80 and 13,773.76

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Solution

The fourth proportional to 32,499.88, 48,742.80 and 13,773.76 is: 20,657.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,499.88 : 48,742.80 = 13,773.76 : x
  2. Step 2: Convert to fraction form
    32,499.88/48,742.80 = 13,773.76/x
  3. Step 3: Cross multiply
    32,499.88x = 48,742.80 × 13,773.76
  4. Step 4: Simplify right side
    32,499.88x = 671,371,628.93
  5. Step 5: Solve for x
    x = 671,371,628.93/32,499.88
  6. Step 6: Final answer
    x = 20,657.66

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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.