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Finding the Fourth Proportional to 38,995.80, 53,799.77 and 25,574.51

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Solution

The fourth proportional to 38,995.80, 53,799.77 and 25,574.51 is: 35,283.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,995.80 : 53,799.77 = 25,574.51 : x
  2. Step 2: Convert to fraction form
    38,995.80/53,799.77 = 25,574.51/x
  3. Step 3: Cross multiply
    38,995.80x = 53,799.77 × 25,574.51
  4. Step 4: Simplify right side
    38,995.80x = 1,375,902,358.99
  5. Step 5: Solve for x
    x = 1,375,902,358.99/38,995.80
  6. Step 6: Final answer
    x = 35,283.35

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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.