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Finding the Fourth Proportional to 61,709.52, 92,495.80 and 30,567.12

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Solution

The fourth proportional to 61,709.52, 92,495.80 and 30,567.12 is: 45,816.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,709.52 : 92,495.80 = 30,567.12 : x
  2. Step 2: Convert to fraction form
    61,709.52/92,495.80 = 30,567.12/x
  3. Step 3: Cross multiply
    61,709.52x = 92,495.80 × 30,567.12
  4. Step 4: Simplify right side
    61,709.52x = 2,827,330,218.10
  5. Step 5: Solve for x
    x = 2,827,330,218.10/61,709.52
  6. Step 6: Final answer
    x = 45,816.76

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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.