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Finding the Fourth Proportional to 32,482.59, 48,723.89 and 7,858.59

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Solution

The fourth proportional to 32,482.59, 48,723.89 and 7,858.59 is: 11,787.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,482.59 : 48,723.89 = 7,858.59 : x
  2. Step 2: Convert to fraction form
    32,482.59/48,723.89 = 7,858.59/x
  3. Step 3: Cross multiply
    32,482.59x = 48,723.89 × 7,858.59
  4. Step 4: Simplify right side
    32,482.59x = 382,901,277.08
  5. Step 5: Solve for x
    x = 382,901,277.08/32,482.59
  6. Step 6: Final answer
    x = 11,787.89

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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.