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Finding the Fourth Proportional to 61,567.59, 92,356.62 and 19,436.40

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Solution

The fourth proportional to 61,567.59, 92,356.62 and 19,436.40 is: 29,156.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,567.59 : 92,356.62 = 19,436.40 : x
  2. Step 2: Convert to fraction form
    61,567.59/92,356.62 = 19,436.40/x
  3. Step 3: Cross multiply
    61,567.59x = 92,356.62 × 19,436.40
  4. Step 4: Simplify right side
    61,567.59x = 1,795,079,650.00
  5. Step 5: Solve for x
    x = 1,795,079,650.00/61,567.59
  6. Step 6: Final answer
    x = 29,156.25

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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.