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Finding the Fourth Proportional to 38,995.30, 53,799.08 and 25,574.01

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Solution

The fourth proportional to 38,995.30, 53,799.08 and 25,574.01 is: 35,282.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,995.30 : 53,799.08 = 25,574.01 : x
  2. Step 2: Convert to fraction form
    38,995.30/53,799.08 = 25,574.01/x
  3. Step 3: Cross multiply
    38,995.30x = 53,799.08 × 25,574.01
  4. Step 4: Simplify right side
    38,995.30x = 1,375,858,209.91
  5. Step 5: Solve for x
    x = 1,375,858,209.91/38,995.30
  6. Step 6: Final answer
    x = 35,282.67

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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.