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Finding the Fourth Proportional to 32,305.91, 48,482.55 and 21,208.70

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Solution

The fourth proportional to 32,305.91, 48,482.55 and 21,208.70 is: 31,828.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,305.91 : 48,482.55 = 21,208.70 : x
  2. Step 2: Convert to fraction form
    32,305.91/48,482.55 = 21,208.70/x
  3. Step 3: Cross multiply
    32,305.91x = 48,482.55 × 21,208.70
  4. Step 4: Simplify right side
    32,305.91x = 1,028,251,615.77
  5. Step 5: Solve for x
    x = 1,028,251,615.77/32,305.91
  6. Step 6: Final answer
    x = 31,828.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.