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Finding the Fourth Proportional to 16,617.18, 22,931.74 and 9,063.52

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Solution

The fourth proportional to 16,617.18, 22,931.74 and 9,063.52 is: 12,507.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,617.18 : 22,931.74 = 9,063.52 : x
  2. Step 2: Convert to fraction form
    16,617.18/22,931.74 = 9,063.52/x
  3. Step 3: Cross multiply
    16,617.18x = 22,931.74 × 9,063.52
  4. Step 4: Simplify right side
    16,617.18x = 207,842,284.12
  5. Step 5: Solve for x
    x = 207,842,284.12/16,617.18
  6. Step 6: Final answer
    x = 12,507.67

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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.