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Finding the Fourth Proportional to 61,631.40, 92,460.96 and 19,514.01

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Solution

The fourth proportional to 61,631.40, 92,460.96 and 19,514.01 is: 29,275.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,631.40 : 92,460.96 = 19,514.01 : x
  2. Step 2: Convert to fraction form
    61,631.40/92,460.96 = 19,514.01/x
  3. Step 3: Cross multiply
    61,631.40x = 92,460.96 × 19,514.01
  4. Step 4: Simplify right side
    61,631.40x = 1,804,284,098.05
  5. Step 5: Solve for x
    x = 1,804,284,098.05/61,631.40
  6. Step 6: Final answer
    x = 29,275.40

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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.