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Finding the Fourth Proportional to 22,762.64, 34,146.84 and 8,909.84

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Solution

The fourth proportional to 22,762.64, 34,146.84 and 8,909.84 is: 13,365.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,762.64 : 34,146.84 = 8,909.84 : x
  2. Step 2: Convert to fraction form
    22,762.64/34,146.84 = 8,909.84/x
  3. Step 3: Cross multiply
    22,762.64x = 34,146.84 × 8,909.84
  4. Step 4: Simplify right side
    22,762.64x = 304,242,880.91
  5. Step 5: Solve for x
    x = 304,242,880.91/22,762.64
  6. Step 6: Final answer
    x = 13,365.89

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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.