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Finding the Fourth Proportional to 38,522.80, 57,784.20 and 16,332.40

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Solution

The fourth proportional to 38,522.80, 57,784.20 and 16,332.40 is: 24,498.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,522.80 : 57,784.20 = 16,332.40 : x
  2. Step 2: Convert to fraction form
    38,522.80/57,784.20 = 16,332.40/x
  3. Step 3: Cross multiply
    38,522.80x = 57,784.20 × 16,332.40
  4. Step 4: Simplify right side
    38,522.80x = 943,754,668.08
  5. Step 5: Solve for x
    x = 943,754,668.08/38,522.80
  6. Step 6: Final answer
    x = 24,498.60

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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.