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Finding the Fourth Proportional to 48,673.64, 73,019.48 and 15,402.08

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Solution

The fourth proportional to 48,673.64, 73,019.48 and 15,402.08 is: 23,105.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,673.64 : 73,019.48 = 15,402.08 : x
  2. Step 2: Convert to fraction form
    48,673.64/73,019.48 = 15,402.08/x
  3. Step 3: Cross multiply
    48,673.64x = 73,019.48 × 15,402.08
  4. Step 4: Simplify right side
    48,673.64x = 1,124,651,978.06
  5. Step 5: Solve for x
    x = 1,124,651,978.06/48,673.64
  6. Step 6: Final answer
    x = 23,105.98

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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.