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Finding the Fourth Proportional to 35,055.54, 48,377.79 and 19,141.20

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Solution

The fourth proportional to 35,055.54, 48,377.79 and 19,141.20 is: 26,415.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,055.54 : 48,377.79 = 19,141.20 : x
  2. Step 2: Convert to fraction form
    35,055.54/48,377.79 = 19,141.20/x
  3. Step 3: Cross multiply
    35,055.54x = 48,377.79 × 19,141.20
  4. Step 4: Simplify right side
    35,055.54x = 926,008,953.95
  5. Step 5: Solve for x
    x = 926,008,953.95/35,055.54
  6. Step 6: Final answer
    x = 26,415.48

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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.