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Finding the Fourth Proportional to 17,313.60, 25,970.40 and 16,220.10

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Solution

The fourth proportional to 17,313.60, 25,970.40 and 16,220.10 is: 24,330.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,313.60 : 25,970.40 = 16,220.10 : x
  2. Step 2: Convert to fraction form
    17,313.60/25,970.40 = 16,220.10/x
  3. Step 3: Cross multiply
    17,313.60x = 25,970.40 × 16,220.10
  4. Step 4: Simplify right side
    17,313.60x = 421,242,485.04
  5. Step 5: Solve for x
    x = 421,242,485.04/17,313.60
  6. Step 6: Final answer
    x = 24,330.15

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Similar ratio
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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.