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Finding the Fourth Proportional to 15,870.08, 23,799.04 and 5,479.04

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Solution

The fourth proportional to 15,870.08, 23,799.04 and 5,479.04 is: 8,216.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,870.08 : 23,799.04 = 5,479.04 : x
  2. Step 2: Convert to fraction form
    15,870.08/23,799.04 = 5,479.04/x
  3. Step 3: Cross multiply
    15,870.08x = 23,799.04 × 5,479.04
  4. Step 4: Simplify right side
    15,870.08x = 130,395,892.12
  5. Step 5: Solve for x
    x = 130,395,892.12/15,870.08
  6. Step 6: Final answer
    x = 8,216.46

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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.