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Finding the Fourth Proportional to 35,776.55, 49,377.53 and 19,866.13

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Solution

The fourth proportional to 35,776.55, 49,377.53 and 19,866.13 is: 27,418.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,776.55 : 49,377.53 = 19,866.13 : x
  2. Step 2: Convert to fraction form
    35,776.55/49,377.53 = 19,866.13/x
  3. Step 3: Cross multiply
    35,776.55x = 49,377.53 × 19,866.13
  4. Step 4: Simplify right side
    35,776.55x = 980,940,356.28
  5. Step 5: Solve for x
    x = 980,940,356.28/35,776.55
  6. Step 6: Final answer
    x = 27,418.53

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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.