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Finding the Fourth Proportional to 9,668.80, 14,503.28 and 5,060.80

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Solution

The fourth proportional to 9,668.80, 14,503.28 and 5,060.80 is: 7,591.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,668.80 : 14,503.28 = 5,060.80 : x
  2. Step 2: Convert to fraction form
    9,668.80/14,503.28 = 5,060.80/x
  3. Step 3: Cross multiply
    9,668.80x = 14,503.28 × 5,060.80
  4. Step 4: Simplify right side
    9,668.80x = 73,398,199.42
  5. Step 5: Solve for x
    x = 73,398,199.42/9,668.80
  6. Step 6: Final answer
    x = 7,591.24

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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.