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Finding the Fourth Proportional to 15,354.60, 23,020.94 and 7,448.68

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Solution

The fourth proportional to 15,354.60, 23,020.94 and 7,448.68 is: 11,167.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,354.60 : 23,020.94 = 7,448.68 : x
  2. Step 2: Convert to fraction form
    15,354.60/23,020.94 = 7,448.68/x
  3. Step 3: Cross multiply
    15,354.60x = 23,020.94 × 7,448.68
  4. Step 4: Simplify right side
    15,354.60x = 171,475,615.36
  5. Step 5: Solve for x
    x = 171,475,615.36/15,354.60
  6. Step 6: Final answer
    x = 11,167.70

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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.