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Finding the Fourth Proportional to 61,199.28, 91,798.92 and 19,675.44

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Solution

The fourth proportional to 61,199.28, 91,798.92 and 19,675.44 is: 29,513.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,199.28 : 91,798.92 = 19,675.44 : x
  2. Step 2: Convert to fraction form
    61,199.28/91,798.92 = 19,675.44/x
  3. Step 3: Cross multiply
    61,199.28x = 91,798.92 × 19,675.44
  4. Step 4: Simplify right side
    61,199.28x = 1,806,184,142.52
  5. Step 5: Solve for x
    x = 1,806,184,142.52/61,199.28
  6. Step 6: Final answer
    x = 29,513.16

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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.