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Finding the Fourth Proportional to 32,703.95, 45,125.30 and 19,279.42

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Solution

The fourth proportional to 32,703.95, 45,125.30 and 19,279.42 is: 26,601.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,703.95 : 45,125.30 = 19,279.42 : x
  2. Step 2: Convert to fraction form
    32,703.95/45,125.30 = 19,279.42/x
  3. Step 3: Cross multiply
    32,703.95x = 45,125.30 × 19,279.42
  4. Step 4: Simplify right side
    32,703.95x = 869,989,546.71
  5. Step 5: Solve for x
    x = 869,989,546.71/32,703.95
  6. Step 6: Final answer
    x = 26,601.97

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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.