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Finding the Fourth Proportional to 40,702.47, 56,164.47 and 23,709.48

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Solution

The fourth proportional to 40,702.47, 56,164.47 and 23,709.48 is: 32,716.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,702.47 : 56,164.47 = 23,709.48 : x
  2. Step 2: Convert to fraction form
    40,702.47/56,164.47 = 23,709.48/x
  3. Step 3: Cross multiply
    40,702.47x = 56,164.47 × 23,709.48
  4. Step 4: Simplify right side
    40,702.47x = 1,331,630,378.18
  5. Step 5: Solve for x
    x = 1,331,630,378.18/40,702.47
  6. Step 6: Final answer
    x = 32,716.21

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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.