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Finding the Fourth Proportional to 57,346.79, 85,923.11 and 35,113.74

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Solution

The fourth proportional to 57,346.79, 85,923.11 and 35,113.74 is: 52,611.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,346.79 : 85,923.11 = 35,113.74 : x
  2. Step 2: Convert to fraction form
    57,346.79/85,923.11 = 35,113.74/x
  3. Step 3: Cross multiply
    57,346.79x = 85,923.11 × 35,113.74
  4. Step 4: Simplify right side
    57,346.79x = 3,017,081,510.10
  5. Step 5: Solve for x
    x = 3,017,081,510.10/57,346.79
  6. Step 6: Final answer
    x = 52,611.17

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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.