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Finding the Fourth Proportional to 11,574.96, 17,390.14 and 7,423.10

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Solution

The fourth proportional to 11,574.96, 17,390.14 and 7,423.10 is: 11,152.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,574.96 : 17,390.14 = 7,423.10 : x
  2. Step 2: Convert to fraction form
    11,574.96/17,390.14 = 7,423.10/x
  3. Step 3: Cross multiply
    11,574.96x = 17,390.14 × 7,423.10
  4. Step 4: Simplify right side
    11,574.96x = 129,088,748.23
  5. Step 5: Solve for x
    x = 129,088,748.23/11,574.96
  6. Step 6: Final answer
    x = 11,152.41

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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.