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Finding the Fourth Proportional to 32,884.60, 49,326.90 and 13,166.20

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Solution

The fourth proportional to 32,884.60, 49,326.90 and 13,166.20 is: 19,749.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,884.60 : 49,326.90 = 13,166.20 : x
  2. Step 2: Convert to fraction form
    32,884.60/49,326.90 = 13,166.20/x
  3. Step 3: Cross multiply
    32,884.60x = 49,326.90 × 13,166.20
  4. Step 4: Simplify right side
    32,884.60x = 649,447,830.78
  5. Step 5: Solve for x
    x = 649,447,830.78/32,884.60
  6. Step 6: Final answer
    x = 19,749.30

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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.