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Finding the Fourth Proportional to 16,488.92, 22,750.53 and 9,774.02

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Solution

The fourth proportional to 16,488.92, 22,750.53 and 9,774.02 is: 13,485.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,488.92 : 22,750.53 = 9,774.02 : x
  2. Step 2: Convert to fraction form
    16,488.92/22,750.53 = 9,774.02/x
  3. Step 3: Cross multiply
    16,488.92x = 22,750.53 × 9,774.02
  4. Step 4: Simplify right side
    16,488.92x = 222,364,135.23
  5. Step 5: Solve for x
    x = 222,364,135.23/16,488.92
  6. Step 6: Final answer
    x = 13,485.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.