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Finding the Fourth Proportional to 40,665.52, 56,117.52 and 23,672.80

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Solution

The fourth proportional to 40,665.52, 56,117.52 and 23,672.80 is: 32,667.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,665.52 : 56,117.52 = 23,672.80 : x
  2. Step 2: Convert to fraction form
    40,665.52/56,117.52 = 23,672.80/x
  3. Step 3: Cross multiply
    40,665.52x = 56,117.52 × 23,672.80
  4. Step 4: Simplify right side
    40,665.52x = 1,328,458,827.46
  5. Step 5: Solve for x
    x = 1,328,458,827.46/40,665.52
  6. Step 6: Final answer
    x = 32,667.94

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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.