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Finding the Fourth Proportional to 5,250.56, 7,835.20 and 4,668.80

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Solution

The fourth proportional to 5,250.56, 7,835.20 and 4,668.80 is: 6,967.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,250.56 : 7,835.20 = 4,668.80 : x
  2. Step 2: Convert to fraction form
    5,250.56/7,835.20 = 4,668.80/x
  3. Step 3: Cross multiply
    5,250.56x = 7,835.20 × 4,668.80
  4. Step 4: Simplify right side
    5,250.56x = 36,580,981.76
  5. Step 5: Solve for x
    x = 36,580,981.76/5,250.56
  6. Step 6: Final answer
    x = 6,967.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.