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Finding the Fourth Proportional to 48,652.88, 72,925.97 and 19,038.15

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Solution

The fourth proportional to 48,652.88, 72,925.97 and 19,038.15 is: 28,536.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,652.88 : 72,925.97 = 19,038.15 : x
  2. Step 2: Convert to fraction form
    48,652.88/72,925.97 = 19,038.15/x
  3. Step 3: Cross multiply
    48,652.88x = 72,925.97 × 19,038.15
  4. Step 4: Simplify right side
    48,652.88x = 1,388,375,460.56
  5. Step 5: Solve for x
    x = 1,388,375,460.56/48,652.88
  6. Step 6: Final answer
    x = 28,536.35

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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.