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Finding the Fourth Proportional to 37,702.51, 52,030.07 and 20,474.88

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Solution

The fourth proportional to 37,702.51, 52,030.07 and 20,474.88 is: 28,255.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,702.51 : 52,030.07 = 20,474.88 : x
  2. Step 2: Convert to fraction form
    37,702.51/52,030.07 = 20,474.88/x
  3. Step 3: Cross multiply
    37,702.51x = 52,030.07 × 20,474.88
  4. Step 4: Simplify right side
    37,702.51x = 1,065,309,439.64
  5. Step 5: Solve for x
    x = 1,065,309,439.64/37,702.51
  6. Step 6: Final answer
    x = 28,255.66

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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.