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Finding the Fourth Proportional to 63,809.64, 88,065.66 and 36,596.40

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Solution

The fourth proportional to 63,809.64, 88,065.66 and 36,596.40 is: 50,507.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,809.64 : 88,065.66 = 36,596.40 : x
  2. Step 2: Convert to fraction form
    63,809.64/88,065.66 = 36,596.40/x
  3. Step 3: Cross multiply
    63,809.64x = 88,065.66 × 36,596.40
  4. Step 4: Simplify right side
    63,809.64x = 3,222,886,119.62
  5. Step 5: Solve for x
    x = 3,222,886,119.62/63,809.64
  6. Step 6: Final answer
    x = 50,507.82

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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.