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Finding the Fourth Proportional to 34,718.64, 47,935.50 and 22,160.40

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Solution

The fourth proportional to 34,718.64, 47,935.50 and 22,160.40 is: 30,596.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,718.64 : 47,935.50 = 22,160.40 : x
  2. Step 2: Convert to fraction form
    34,718.64/47,935.50 = 22,160.40/x
  3. Step 3: Cross multiply
    34,718.64x = 47,935.50 × 22,160.40
  4. Step 4: Simplify right side
    34,718.64x = 1,062,269,854.20
  5. Step 5: Solve for x
    x = 1,062,269,854.20/34,718.64
  6. Step 6: Final answer
    x = 30,596.53

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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.