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Finding the Fourth Proportional to 14,875.56, 22,314.08 and 4,879.42

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Solution

The fourth proportional to 14,875.56, 22,314.08 and 4,879.42 is: 7,319.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,875.56 : 22,314.08 = 4,879.42 : x
  2. Step 2: Convert to fraction form
    14,875.56/22,314.08 = 4,879.42/x
  3. Step 3: Cross multiply
    14,875.56x = 22,314.08 × 4,879.42
  4. Step 4: Simplify right side
    14,875.56x = 108,879,724.65
  5. Step 5: Solve for x
    x = 108,879,724.65/14,875.56
  6. Step 6: Final answer
    x = 7,319.37

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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.