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Finding the Fourth Proportional to 7,492.37, 10,383.18 and 7,386.66

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Solution

The fourth proportional to 7,492.37, 10,383.18 and 7,386.66 is: 10,236.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,492.37 : 10,383.18 = 7,386.66 : x
  2. Step 2: Convert to fraction form
    7,492.37/10,383.18 = 7,386.66/x
  3. Step 3: Cross multiply
    7,492.37x = 10,383.18 × 7,386.66
  4. Step 4: Simplify right side
    7,492.37x = 76,697,020.38
  5. Step 5: Solve for x
    x = 76,697,020.38/7,492.37
  6. Step 6: Final answer
    x = 10,236.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.