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Finding the Fourth Proportional to 32,702.87, 45,129.53 and 19,274.69

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Solution

The fourth proportional to 32,702.87, 45,129.53 and 19,274.69 is: 26,598.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,702.87 : 45,129.53 = 19,274.69 : x
  2. Step 2: Convert to fraction form
    32,702.87/45,129.53 = 19,274.69/x
  3. Step 3: Cross multiply
    32,702.87x = 45,129.53 × 19,274.69
  4. Step 4: Simplify right side
    32,702.87x = 869,857,378.57
  5. Step 5: Solve for x
    x = 869,857,378.57/32,702.87
  6. Step 6: Final answer
    x = 26,598.81

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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.