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Finding the Fourth Proportional to 38,888.91, 53,670.72 and 23,791.62

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Solution

The fourth proportional to 38,888.91, 53,670.72 and 23,791.62 is: 32,834.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,888.91 : 53,670.72 = 23,791.62 : x
  2. Step 2: Convert to fraction form
    38,888.91/53,670.72 = 23,791.62/x
  3. Step 3: Cross multiply
    38,888.91x = 53,670.72 × 23,791.62
  4. Step 4: Simplify right side
    38,888.91x = 1,276,913,375.37
  5. Step 5: Solve for x
    x = 1,276,913,375.37/38,888.91
  6. Step 6: Final answer
    x = 32,834.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.