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Finding the Fourth Proportional to 19,344.60, 29,016.90 and 14,970.60

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Solution

The fourth proportional to 19,344.60, 29,016.90 and 14,970.60 is: 22,455.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,344.60 : 29,016.90 = 14,970.60 : x
  2. Step 2: Convert to fraction form
    19,344.60/29,016.90 = 14,970.60/x
  3. Step 3: Cross multiply
    19,344.60x = 29,016.90 × 14,970.60
  4. Step 4: Simplify right side
    19,344.60x = 434,400,403.14
  5. Step 5: Solve for x
    x = 434,400,403.14/19,344.60
  6. Step 6: Final answer
    x = 22,455.90

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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.