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Finding the Fourth Proportional to 32,616.16, 45,010.48 and 19,187.92

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Solution

The fourth proportional to 32,616.16, 45,010.48 and 19,187.92 is: 26,479.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,616.16 : 45,010.48 = 19,187.92 : x
  2. Step 2: Convert to fraction form
    32,616.16/45,010.48 = 19,187.92/x
  3. Step 3: Cross multiply
    32,616.16x = 45,010.48 × 19,187.92
  4. Step 4: Simplify right side
    32,616.16x = 863,657,489.40
  5. Step 5: Solve for x
    x = 863,657,489.40/32,616.16
  6. Step 6: Final answer
    x = 26,479.44

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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.