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Finding the Fourth Proportional to 32,671.84, 45,081.10 and 19,245.28

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Solution

The fourth proportional to 32,671.84, 45,081.10 and 19,245.28 is: 26,554.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,671.84 : 45,081.10 = 19,245.28 : x
  2. Step 2: Convert to fraction form
    32,671.84/45,081.10 = 19,245.28/x
  3. Step 3: Cross multiply
    32,671.84x = 45,081.10 × 19,245.28
  4. Step 4: Simplify right side
    32,671.84x = 867,598,392.21
  5. Step 5: Solve for x
    x = 867,598,392.21/32,671.84
  6. Step 6: Final answer
    x = 26,554.93

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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.