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Finding the Fourth Proportional to 14,758.50, 20,365.99 and 8,044.10

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Solution

The fourth proportional to 14,758.50, 20,365.99 and 8,044.10 is: 11,100.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,758.50 : 20,365.99 = 8,044.10 : x
  2. Step 2: Convert to fraction form
    14,758.50/20,365.99 = 8,044.10/x
  3. Step 3: Cross multiply
    14,758.50x = 20,365.99 × 8,044.10
  4. Step 4: Simplify right side
    14,758.50x = 163,826,060.16
  5. Step 5: Solve for x
    x = 163,826,060.16/14,758.50
  6. Step 6: Final answer
    x = 11,100.45

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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.