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Finding the Fourth Proportional to 61,636.59, 92,455.16 and 19,516.89

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Solution

The fourth proportional to 61,636.59, 92,455.16 and 19,516.89 is: 29,275.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,636.59 : 92,455.16 = 19,516.89 : x
  2. Step 2: Convert to fraction form
    61,636.59/92,455.16 = 19,516.89/x
  3. Step 3: Cross multiply
    61,636.59x = 92,455.16 × 19,516.89
  4. Step 4: Simplify right side
    61,636.59x = 1,804,437,187.65
  5. Step 5: Solve for x
    x = 1,804,437,187.65/61,636.59
  6. Step 6: Final answer
    x = 29,275.42

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1.5x scale

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.