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Finding the Fourth Proportional to 32,868.65, 45,380.62 and 19,444.21

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Solution

The fourth proportional to 32,868.65, 45,380.62 and 19,444.21 is: 26,845.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,868.65 : 45,380.62 = 19,444.21 : x
  2. Step 2: Convert to fraction form
    32,868.65/45,380.62 = 19,444.21/x
  3. Step 3: Cross multiply
    32,868.65x = 45,380.62 × 19,444.21
  4. Step 4: Simplify right side
    32,868.65x = 882,390,216.06
  5. Step 5: Solve for x
    x = 882,390,216.06/32,868.65
  6. Step 6: Final answer
    x = 26,845.95

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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.