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Finding the Fourth Proportional to 57,903.95, 79,900.74 and 32,411.75

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Solution

The fourth proportional to 57,903.95, 79,900.74 and 32,411.75 is: 44,724.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,903.95 : 79,900.74 = 32,411.75 : x
  2. Step 2: Convert to fraction form
    57,903.95/79,900.74 = 32,411.75/x
  3. Step 3: Cross multiply
    57,903.95x = 79,900.74 × 32,411.75
  4. Step 4: Simplify right side
    57,903.95x = 2,589,722,410.19
  5. Step 5: Solve for x
    x = 2,589,722,410.19/57,903.95
  6. Step 6: Final answer
    x = 44,724.45

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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.