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Finding the Fourth Proportional to 24,987.96, 34,482.80 and 13,657.53

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Solution

The fourth proportional to 24,987.96, 34,482.80 and 13,657.53 is: 18,847.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,987.96 : 34,482.80 = 13,657.53 : x
  2. Step 2: Convert to fraction form
    24,987.96/34,482.80 = 13,657.53/x
  3. Step 3: Cross multiply
    24,987.96x = 34,482.80 × 13,657.53
  4. Step 4: Simplify right side
    24,987.96x = 470,949,875.48
  5. Step 5: Solve for x
    x = 470,949,875.48/24,987.96
  6. Step 6: Final answer
    x = 18,847.07

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.