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Finding the Fourth Proportional to 9,262.80, 13,894.20 and 4,644.72

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Solution

The fourth proportional to 9,262.80, 13,894.20 and 4,644.72 is: 6,967.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,262.80 : 13,894.20 = 4,644.72 : x
  2. Step 2: Convert to fraction form
    9,262.80/13,894.20 = 4,644.72/x
  3. Step 3: Cross multiply
    9,262.80x = 13,894.20 × 4,644.72
  4. Step 4: Simplify right side
    9,262.80x = 64,534,668.62
  5. Step 5: Solve for x
    x = 64,534,668.62/9,262.80
  6. Step 6: Final answer
    x = 6,967.08

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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.