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Finding the Fourth Proportional to 15,551.70, 23,327.55 and 15,551.70

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Solution

The fourth proportional to 15,551.70, 23,327.55 and 15,551.70 is: 23,327.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,551.70 : 23,327.55 = 15,551.70 : x
  2. Step 2: Convert to fraction form
    15,551.70/23,327.55 = 15,551.70/x
  3. Step 3: Cross multiply
    15,551.70x = 23,327.55 × 15,551.70
  4. Step 4: Simplify right side
    15,551.70x = 362,783,059.34
  5. Step 5: Solve for x
    x = 362,783,059.34/15,551.70
  6. Step 6: Final answer
    x = 23,327.55

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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.