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Finding the Fourth Proportional to 34,868.79, 48,117.92 and 18,952.83

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Solution

The fourth proportional to 34,868.79, 48,117.92 and 18,952.83 is: 26,154.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,868.79 : 48,117.92 = 18,952.83 : x
  2. Step 2: Convert to fraction form
    34,868.79/48,117.92 = 18,952.83/x
  3. Step 3: Cross multiply
    34,868.79x = 48,117.92 × 18,952.83
  4. Step 4: Simplify right side
    34,868.79x = 911,970,662.95
  5. Step 5: Solve for x
    x = 911,970,662.95/34,868.79
  6. Step 6: Final answer
    x = 26,154.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.