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Finding the Fourth Proportional to 57,902.79, 79,925.57 and 34,036.55

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Solution

The fourth proportional to 57,902.79, 79,925.57 and 34,036.55 is: 46,982.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,902.79 : 79,925.57 = 34,036.55 : x
  2. Step 2: Convert to fraction form
    57,902.79/79,925.57 = 34,036.55/x
  3. Step 3: Cross multiply
    57,902.79x = 79,925.57 × 34,036.55
  4. Step 4: Simplify right side
    57,902.79x = 2,720,390,659.58
  5. Step 5: Solve for x
    x = 2,720,390,659.58/57,902.79
  6. Step 6: Final answer
    x = 46,982.03

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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.