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Finding the Fourth Proportional to 15,095.79, 20,824.94 and 10,622.01

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Solution

The fourth proportional to 15,095.79, 20,824.94 and 10,622.01 is: 14,653.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,095.79 : 20,824.94 = 10,622.01 : x
  2. Step 2: Convert to fraction form
    15,095.79/20,824.94 = 10,622.01/x
  3. Step 3: Cross multiply
    15,095.79x = 20,824.94 × 10,622.01
  4. Step 4: Simplify right side
    15,095.79x = 221,202,720.93
  5. Step 5: Solve for x
    x = 221,202,720.93/15,095.79
  6. Step 6: Final answer
    x = 14,653.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.