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Finding the Fourth Proportional to 14,201.29, 21,301.95 and 7,669.01

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Solution

The fourth proportional to 14,201.29, 21,301.95 and 7,669.01 is: 11,503.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,201.29 : 21,301.95 = 7,669.01 : x
  2. Step 2: Convert to fraction form
    14,201.29/21,301.95 = 7,669.01/x
  3. Step 3: Cross multiply
    14,201.29x = 21,301.95 × 7,669.01
  4. Step 4: Simplify right side
    14,201.29x = 163,364,949.58
  5. Step 5: Solve for x
    x = 163,364,949.58/14,201.29
  6. Step 6: Final answer
    x = 11,503.53

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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.