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Finding the Fourth Proportional to 32,803.88, 45,271.86 and 18,655.88

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Solution

The fourth proportional to 32,803.88, 45,271.86 and 18,655.88 is: 25,746.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,803.88 : 45,271.86 = 18,655.88 : x
  2. Step 2: Convert to fraction form
    32,803.88/45,271.86 = 18,655.88/x
  3. Step 3: Cross multiply
    32,803.88x = 45,271.86 × 18,655.88
  4. Step 4: Simplify right side
    32,803.88x = 844,586,387.54
  5. Step 5: Solve for x
    x = 844,586,387.54/32,803.88
  6. Step 6: Final answer
    x = 25,746.54

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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.