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Finding the Fourth Proportional to 17,313.70, 25,970.55 and 5,628.10

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Solution

The fourth proportional to 17,313.70, 25,970.55 and 5,628.10 is: 8,442.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,313.70 : 25,970.55 = 5,628.10 : x
  2. Step 2: Convert to fraction form
    17,313.70/25,970.55 = 5,628.10/x
  3. Step 3: Cross multiply
    17,313.70x = 25,970.55 × 5,628.10
  4. Step 4: Simplify right side
    17,313.70x = 146,164,852.46
  5. Step 5: Solve for x
    x = 146,164,852.46/17,313.70
  6. Step 6: Final answer
    x = 8,442.15

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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.