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Finding the Fourth Proportional to 32,482.85, 48,724.27 and 7,858.85

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Solution

The fourth proportional to 32,482.85, 48,724.27 and 7,858.85 is: 11,788.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,482.85 : 48,724.27 = 7,858.85 : x
  2. Step 2: Convert to fraction form
    32,482.85/48,724.27 = 7,858.85/x
  3. Step 3: Cross multiply
    32,482.85x = 48,724.27 × 7,858.85
  4. Step 4: Simplify right side
    32,482.85x = 382,916,587.83
  5. Step 5: Solve for x
    x = 382,916,587.83/32,482.85
  6. Step 6: Final answer
    x = 11,788.27

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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.