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Finding the Fourth Proportional to 7,957.04, 10,979.42 and 4,600.31

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Solution

The fourth proportional to 7,957.04, 10,979.42 and 4,600.31 is: 6,347.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,957.04 : 10,979.42 = 4,600.31 : x
  2. Step 2: Convert to fraction form
    7,957.04/10,979.42 = 4,600.31/x
  3. Step 3: Cross multiply
    7,957.04x = 10,979.42 × 4,600.31
  4. Step 4: Simplify right side
    7,957.04x = 50,508,657.72
  5. Step 5: Solve for x
    x = 50,508,657.72/7,957.04
  6. Step 6: Final answer
    x = 6,347.67

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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.