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Finding the Fourth Proportional to 14,978.81, 22,468.22 and 4,590.56

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Solution

The fourth proportional to 14,978.81, 22,468.22 and 4,590.56 is: 6,885.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,978.81 : 22,468.22 = 4,590.56 : x
  2. Step 2: Convert to fraction form
    14,978.81/22,468.22 = 4,590.56/x
  3. Step 3: Cross multiply
    14,978.81x = 22,468.22 × 4,590.56
  4. Step 4: Simplify right side
    14,978.81x = 103,141,779.65
  5. Step 5: Solve for x
    x = 103,141,779.65/14,978.81
  6. Step 6: Final answer
    x = 6,885.84

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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.