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Finding the Fourth Proportional to 24,054.30, 36,117.90 and 18,513.90

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Solution

The fourth proportional to 24,054.30, 36,117.90 and 18,513.90 is: 27,798.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,054.30 : 36,117.90 = 18,513.90 : x
  2. Step 2: Convert to fraction form
    24,054.30/36,117.90 = 18,513.90/x
  3. Step 3: Cross multiply
    24,054.30x = 36,117.90 × 18,513.90
  4. Step 4: Simplify right side
    24,054.30x = 668,683,188.81
  5. Step 5: Solve for x
    x = 668,683,188.81/24,054.30
  6. Step 6: Final answer
    x = 27,798.90

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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.