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Finding the Fourth Proportional to 15,358.56, 23,036.94 and 4,969.50

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Solution

The fourth proportional to 15,358.56, 23,036.94 and 4,969.50 is: 7,453.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,358.56 : 23,036.94 = 4,969.50 : x
  2. Step 2: Convert to fraction form
    15,358.56/23,036.94 = 4,969.50/x
  3. Step 3: Cross multiply
    15,358.56x = 23,036.94 × 4,969.50
  4. Step 4: Simplify right side
    15,358.56x = 114,482,073.33
  5. Step 5: Solve for x
    x = 114,482,073.33/15,358.56
  6. Step 6: Final answer
    x = 7,453.96

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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.