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Finding the Fourth Proportional to 30,488.80, 45,733.20 and 17,366.80

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Solution

The fourth proportional to 30,488.80, 45,733.20 and 17,366.80 is: 26,050.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,488.80 : 45,733.20 = 17,366.80 : x
  2. Step 2: Convert to fraction form
    30,488.80/45,733.20 = 17,366.80/x
  3. Step 3: Cross multiply
    30,488.80x = 45,733.20 × 17,366.80
  4. Step 4: Simplify right side
    30,488.80x = 794,239,337.76
  5. Step 5: Solve for x
    x = 794,239,337.76/30,488.80
  6. Step 6: Final answer
    x = 26,050.20

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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.