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Finding the Fourth Proportional to 14,441.77, 21,663.02 and 7,045.21

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Solution

The fourth proportional to 14,441.77, 21,663.02 and 7,045.21 is: 10,567.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,441.77 : 21,663.02 = 7,045.21 : x
  2. Step 2: Convert to fraction form
    14,441.77/21,663.02 = 7,045.21/x
  3. Step 3: Cross multiply
    14,441.77x = 21,663.02 × 7,045.21
  4. Step 4: Simplify right side
    14,441.77x = 152,620,525.13
  5. Step 5: Solve for x
    x = 152,620,525.13/14,441.77
  6. Step 6: Final answer
    x = 10,567.99

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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.