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Finding the Fourth Proportional to 48,059.36, 72,058 and 19,998.76

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Solution

The fourth proportional to 48,059.36, 72,058 and 19,998.76 is: 29,985.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,059.36 : 72,058 = 19,998.76 : x
  2. Step 2: Convert to fraction form
    48,059.36/72,058 = 19,998.76/x
  3. Step 3: Cross multiply
    48,059.36x = 72,058 × 19,998.76
  4. Step 4: Simplify right side
    48,059.36x = 1,441,070,648.08
  5. Step 5: Solve for x
    x = 1,441,070,648.08/48,059.36
  6. Step 6: Final answer
    x = 29,985.22

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1.5x scale

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.