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Finding the Fourth Proportional to 7,607.54, 11,402.12 and 4,313.81

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Solution

The fourth proportional to 7,607.54, 11,402.12 and 4,313.81 is: 6,465.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,607.54 : 11,402.12 = 4,313.81 : x
  2. Step 2: Convert to fraction form
    7,607.54/11,402.12 = 4,313.81/x
  3. Step 3: Cross multiply
    7,607.54x = 11,402.12 × 4,313.81
  4. Step 4: Simplify right side
    7,607.54x = 49,186,500.70
  5. Step 5: Solve for x
    x = 49,186,500.70/7,607.54
  6. Step 6: Final answer
    x = 6,465.50

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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.