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Finding the Fourth Proportional to 7,402.99, 11,094.76 and 3,508.51

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Solution

The fourth proportional to 7,402.99, 11,094.76 and 3,508.51 is: 5,258.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,402.99 : 11,094.76 = 3,508.51 : x
  2. Step 2: Convert to fraction form
    7,402.99/11,094.76 = 3,508.51/x
  3. Step 3: Cross multiply
    7,402.99x = 11,094.76 × 3,508.51
  4. Step 4: Simplify right side
    7,402.99x = 38,926,076.41
  5. Step 5: Solve for x
    x = 38,926,076.41/7,402.99
  6. Step 6: Final answer
    x = 5,258.16

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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.