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Finding the Fourth Proportional to 57,017.52, 85,536.53 and 19,567.89

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Solution

The fourth proportional to 57,017.52, 85,536.53 and 19,567.89 is: 29,355.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,017.52 : 85,536.53 = 19,567.89 : x
  2. Step 2: Convert to fraction form
    57,017.52/85,536.53 = 19,567.89/x
  3. Step 3: Cross multiply
    57,017.52x = 85,536.53 × 19,567.89
  4. Step 4: Simplify right side
    57,017.52x = 1,673,769,312.18
  5. Step 5: Solve for x
    x = 1,673,769,312.18/57,017.52
  6. Step 6: Final answer
    x = 29,355.35

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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.