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Finding the Fourth Proportional to 32,702.34, 45,133 and 18,557.76

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Solution

The fourth proportional to 32,702.34, 45,133 and 18,557.76 is: 25,611.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,702.34 : 45,133 = 18,557.76 : x
  2. Step 2: Convert to fraction form
    32,702.34/45,133 = 18,557.76/x
  3. Step 3: Cross multiply
    32,702.34x = 45,133 × 18,557.76
  4. Step 4: Simplify right side
    32,702.34x = 837,567,382.08
  5. Step 5: Solve for x
    x = 837,567,382.08/32,702.34
  6. Step 6: Final answer
    x = 25,611.85

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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.