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Finding the Fourth Proportional to 32,641.88, 45,047.61 and 18,499.28

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Solution

The fourth proportional to 32,641.88, 45,047.61 and 18,499.28 is: 25,530.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,641.88 : 45,047.61 = 18,499.28 : x
  2. Step 2: Convert to fraction form
    32,641.88/45,047.61 = 18,499.28/x
  3. Step 3: Cross multiply
    32,641.88x = 45,047.61 × 18,499.28
  4. Step 4: Simplify right side
    32,641.88x = 833,348,125.48
  5. Step 5: Solve for x
    x = 833,348,125.48/32,641.88
  6. Step 6: Final answer
    x = 25,530.03

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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.