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Finding the Fourth Proportional to 57,565, 79,439.70 and 33,690.52

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Solution

The fourth proportional to 57,565, 79,439.70 and 33,690.52 is: 46,492.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,565 : 79,439.70 = 33,690.52 : x
  2. Step 2: Convert to fraction form
    57,565/79,439.70 = 33,690.52/x
  3. Step 3: Cross multiply
    57,565x = 79,439.70 × 33,690.52
  4. Step 4: Simplify right side
    57,565x = 2,676,364,801.64
  5. Step 5: Solve for x
    x = 2,676,364,801.64/57,565
  6. Step 6: Final answer
    x = 46,492.92

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.