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Finding the Fourth Proportional to 24,988.40, 37,477.80 and 7,458.80

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Solution

The fourth proportional to 24,988.40, 37,477.80 and 7,458.80 is: 11,186.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,988.40 : 37,477.80 = 7,458.80 : x
  2. Step 2: Convert to fraction form
    24,988.40/37,477.80 = 7,458.80/x
  3. Step 3: Cross multiply
    24,988.40x = 37,477.80 × 7,458.80
  4. Step 4: Simplify right side
    24,988.40x = 279,539,414.64
  5. Step 5: Solve for x
    x = 279,539,414.64/24,988.40
  6. Step 6: Final answer
    x = 11,186.77

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.