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Finding the Fourth Proportional to 14,615.68, 21,920.10 and 5,848.24

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Solution

The fourth proportional to 14,615.68, 21,920.10 and 5,848.24 is: 8,770.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,615.68 : 21,920.10 = 5,848.24 : x
  2. Step 2: Convert to fraction form
    14,615.68/21,920.10 = 5,848.24/x
  3. Step 3: Cross multiply
    14,615.68x = 21,920.10 × 5,848.24
  4. Step 4: Simplify right side
    14,615.68x = 128,194,005.62
  5. Step 5: Solve for x
    x = 128,194,005.62/14,615.68
  6. Step 6: Final answer
    x = 8,770.99

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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.