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Finding the Fourth Proportional to 45,254.76, 67,931.80 and 35,954.56

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Solution

The fourth proportional to 45,254.76, 67,931.80 and 35,954.56 is: 53,971.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,254.76 : 67,931.80 = 35,954.56 : x
  2. Step 2: Convert to fraction form
    45,254.76/67,931.80 = 35,954.56/x
  3. Step 3: Cross multiply
    45,254.76x = 67,931.80 × 35,954.56
  4. Step 4: Simplify right side
    45,254.76x = 2,442,457,979.01
  5. Step 5: Solve for x
    x = 2,442,457,979.01/45,254.76
  6. Step 6: Final answer
    x = 53,971.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.