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Finding the Fourth Proportional to 16,719.35, 23,064.35 and 11,048.13

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Solution

The fourth proportional to 16,719.35, 23,064.35 and 11,048.13 is: 15,240.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,719.35 : 23,064.35 = 11,048.13 : x
  2. Step 2: Convert to fraction form
    16,719.35/23,064.35 = 11,048.13/x
  3. Step 3: Cross multiply
    16,719.35x = 23,064.35 × 11,048.13
  4. Step 4: Simplify right side
    16,719.35x = 254,817,881.92
  5. Step 5: Solve for x
    x = 254,817,881.92/16,719.35
  6. Step 6: Final answer
    x = 15,240.90

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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.