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Finding the Fourth Proportional to 47,393.68, 65,402.86 and 25,883.32

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Solution

The fourth proportional to 47,393.68, 65,402.86 and 25,883.32 is: 35,718.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,393.68 : 65,402.86 = 25,883.32 : x
  2. Step 2: Convert to fraction form
    47,393.68/65,402.86 = 25,883.32/x
  3. Step 3: Cross multiply
    47,393.68x = 65,402.86 × 25,883.32
  4. Step 4: Simplify right side
    47,393.68x = 1,692,843,154.30
  5. Step 5: Solve for x
    x = 1,692,843,154.30/47,393.68
  6. Step 6: Final answer
    x = 35,718.75

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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.