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Finding the Fourth Proportional to 35,691.48, 49,254.48 and 19,776.96

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Solution

The fourth proportional to 35,691.48, 49,254.48 and 19,776.96 is: 27,292.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,691.48 : 49,254.48 = 19,776.96 : x
  2. Step 2: Convert to fraction form
    35,691.48/49,254.48 = 19,776.96/x
  3. Step 3: Cross multiply
    35,691.48x = 49,254.48 × 19,776.96
  4. Step 4: Simplify right side
    35,691.48x = 974,103,880.78
  5. Step 5: Solve for x
    x = 974,103,880.78/35,691.48
  6. Step 6: Final answer
    x = 27,292.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.