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Finding the Fourth Proportional to 35,574.64, 49,093.40 and 19,658.80

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Solution

The fourth proportional to 35,574.64, 49,093.40 and 19,658.80 is: 27,129.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,574.64 : 49,093.40 = 19,658.80 : x
  2. Step 2: Convert to fraction form
    35,574.64/49,093.40 = 19,658.80/x
  3. Step 3: Cross multiply
    35,574.64x = 49,093.40 × 19,658.80
  4. Step 4: Simplify right side
    35,574.64x = 965,117,331.92
  5. Step 5: Solve for x
    x = 965,117,331.92/35,574.64
  6. Step 6: Final answer
    x = 27,129.36

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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.