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Finding the Fourth Proportional to 57,808.84, 79,774.51 and 32,315.26

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Solution

The fourth proportional to 57,808.84, 79,774.51 and 32,315.26 is: 44,594.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,808.84 : 79,774.51 = 32,315.26 : x
  2. Step 2: Convert to fraction form
    57,808.84/79,774.51 = 32,315.26/x
  3. Step 3: Cross multiply
    57,808.84x = 79,774.51 × 32,315.26
  4. Step 4: Simplify right side
    57,808.84x = 2,577,934,032.02
  5. Step 5: Solve for x
    x = 2,577,934,032.02/57,808.84
  6. Step 6: Final answer
    x = 44,594.11

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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.