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Finding the Fourth Proportional to 15,145.56, 22,860.60 and 15,145.56

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Solution

The fourth proportional to 15,145.56, 22,860.60 and 15,145.56 is: 22,860.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,145.56 : 22,860.60 = 15,145.56 : x
  2. Step 2: Convert to fraction form
    15,145.56/22,860.60 = 15,145.56/x
  3. Step 3: Cross multiply
    15,145.56x = 22,860.60 × 15,145.56
  4. Step 4: Simplify right side
    15,145.56x = 346,236,588.94
  5. Step 5: Solve for x
    x = 346,236,588.94/15,145.56
  6. Step 6: Final answer
    x = 22,860.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.