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Finding the Fourth Proportional to 14,992.21, 22,484.40 and 4,459.40

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Solution

The fourth proportional to 14,992.21, 22,484.40 and 4,459.40 is: 6,687.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,992.21 : 22,484.40 = 4,459.40 : x
  2. Step 2: Convert to fraction form
    14,992.21/22,484.40 = 4,459.40/x
  3. Step 3: Cross multiply
    14,992.21x = 22,484.40 × 4,459.40
  4. Step 4: Simplify right side
    14,992.21x = 100,266,804.22
  5. Step 5: Solve for x
    x = 100,266,804.22/14,992.21
  6. Step 6: Final answer
    x = 6,687.93

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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.