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Finding the Fourth Proportional to 32,901.40, 45,404.04 and 18,754.48

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Solution

The fourth proportional to 32,901.40, 45,404.04 and 18,754.48 is: 25,881.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,901.40 : 45,404.04 = 18,754.48 : x
  2. Step 2: Convert to fraction form
    32,901.40/45,404.04 = 18,754.48/x
  3. Step 3: Cross multiply
    32,901.40x = 45,404.04 × 18,754.48
  4. Step 4: Simplify right side
    32,901.40x = 851,529,160.10
  5. Step 5: Solve for x
    x = 851,529,160.10/32,901.40
  6. Step 6: Final answer
    x = 25,881.24

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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.