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Finding the Fourth Proportional to 34,865.92, 48,116.16 and 19,758.40

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Solution

The fourth proportional to 34,865.92, 48,116.16 and 19,758.40 is: 27,267.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,865.92 : 48,116.16 = 19,758.40 : x
  2. Step 2: Convert to fraction form
    34,865.92/48,116.16 = 19,758.40/x
  3. Step 3: Cross multiply
    34,865.92x = 48,116.16 × 19,758.40
  4. Step 4: Simplify right side
    34,865.92x = 950,698,335.74
  5. Step 5: Solve for x
    x = 950,698,335.74/34,865.92
  6. Step 6: Final answer
    x = 27,267.27

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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.