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Finding the Fourth Proportional to 32,213.90, 48,268.90 and 17,429.78

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Solution

The fourth proportional to 32,213.90, 48,268.90 and 17,429.78 is: 26,116.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,213.90 : 48,268.90 = 17,429.78 : x
  2. Step 2: Convert to fraction form
    32,213.90/48,268.90 = 17,429.78/x
  3. Step 3: Cross multiply
    32,213.90x = 48,268.90 × 17,429.78
  4. Step 4: Simplify right side
    32,213.90x = 841,316,307.84
  5. Step 5: Solve for x
    x = 841,316,307.84/32,213.90
  6. Step 6: Final answer
    x = 26,116.56

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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.