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Finding the Fourth Proportional to 32,670.84, 45,079.72 and 19,244.28

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Solution

The fourth proportional to 32,670.84, 45,079.72 and 19,244.28 is: 26,553.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,670.84 : 45,079.72 = 19,244.28 : x
  2. Step 2: Convert to fraction form
    32,670.84/45,079.72 = 19,244.28/x
  3. Step 3: Cross multiply
    32,670.84x = 45,079.72 × 19,244.28
  4. Step 4: Simplify right side
    32,670.84x = 867,526,754.00
  5. Step 5: Solve for x
    x = 867,526,754.00/32,670.84
  6. Step 6: Final answer
    x = 26,553.55

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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.