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Finding the Fourth Proportional to 16,529.76, 22,810.65 and 9,455.76

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Solution

The fourth proportional to 16,529.76, 22,810.65 and 9,455.76 is: 13,048.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,529.76 : 22,810.65 = 9,455.76 : x
  2. Step 2: Convert to fraction form
    16,529.76/22,810.65 = 9,455.76/x
  3. Step 3: Cross multiply
    16,529.76x = 22,810.65 × 9,455.76
  4. Step 4: Simplify right side
    16,529.76x = 215,692,031.84
  5. Step 5: Solve for x
    x = 215,692,031.84/16,529.76
  6. Step 6: Final answer
    x = 13,048.71

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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.