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Finding the Fourth Proportional to 27,020.40, 40,529.52 and 9,488.88

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Solution

The fourth proportional to 27,020.40, 40,529.52 and 9,488.88 is: 14,232.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,020.40 : 40,529.52 = 9,488.88 : x
  2. Step 2: Convert to fraction form
    27,020.40/40,529.52 = 9,488.88/x
  3. Step 3: Cross multiply
    27,020.40x = 40,529.52 × 9,488.88
  4. Step 4: Simplify right side
    27,020.40x = 384,579,751.74
  5. Step 5: Solve for x
    x = 384,579,751.74/27,020.40
  6. Step 6: Final answer
    x = 14,232.94

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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.