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Finding the Fourth Proportional to 7,861.02, 10,848.02 and 4,324.15

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Solution

The fourth proportional to 7,861.02, 10,848.02 and 4,324.15 is: 5,967.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,861.02 : 10,848.02 = 4,324.15 : x
  2. Step 2: Convert to fraction form
    7,861.02/10,848.02 = 4,324.15/x
  3. Step 3: Cross multiply
    7,861.02x = 10,848.02 × 4,324.15
  4. Step 4: Simplify right side
    7,861.02x = 46,908,465.68
  5. Step 5: Solve for x
    x = 46,908,465.68/7,861.02
  6. Step 6: Final answer
    x = 5,967.22

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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.