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Finding the Fourth Proportional to 32,881.40, 45,375.42 and 18,541.10

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Solution

The fourth proportional to 32,881.40, 45,375.42 and 18,541.10 is: 25,586.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,881.40 : 45,375.42 = 18,541.10 : x
  2. Step 2: Convert to fraction form
    32,881.40/45,375.42 = 18,541.10/x
  3. Step 3: Cross multiply
    32,881.40x = 45,375.42 × 18,541.10
  4. Step 4: Simplify right side
    32,881.40x = 841,310,199.76
  5. Step 5: Solve for x
    x = 841,310,199.76/32,881.40
  6. Step 6: Final answer
    x = 25,586.20

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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.