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Finding the Fourth Proportional to 64,082.58, 88,434.12 and 35,789.28

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Solution

The fourth proportional to 64,082.58, 88,434.12 and 35,789.28 is: 49,389.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,082.58 : 88,434.12 = 35,789.28 : x
  2. Step 2: Convert to fraction form
    64,082.58/88,434.12 = 35,789.28/x
  3. Step 3: Cross multiply
    64,082.58x = 88,434.12 × 35,789.28
  4. Step 4: Simplify right side
    64,082.58x = 3,164,993,482.23
  5. Step 5: Solve for x
    x = 3,164,993,482.23/64,082.58
  6. Step 6: Final answer
    x = 49,389.30

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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.