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Finding the Fourth Proportional to 14,617.95, 21,929.22 and 4,754.93

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Solution

The fourth proportional to 14,617.95, 21,929.22 and 4,754.93 is: 7,133.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,617.95 : 21,929.22 = 4,754.93 : x
  2. Step 2: Convert to fraction form
    14,617.95/21,929.22 = 4,754.93/x
  3. Step 3: Cross multiply
    14,617.95x = 21,929.22 × 4,754.93
  4. Step 4: Simplify right side
    14,617.95x = 104,271,906.05
  5. Step 5: Solve for x
    x = 104,271,906.05/14,617.95
  6. Step 6: Final answer
    x = 7,133.14

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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.