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Finding the Fourth Proportional to 7,053.92, 10,579.86 and 4,939.13

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Solution

The fourth proportional to 7,053.92, 10,579.86 and 4,939.13 is: 7,407.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,053.92 : 10,579.86 = 4,939.13 : x
  2. Step 2: Convert to fraction form
    7,053.92/10,579.86 = 4,939.13/x
  3. Step 3: Cross multiply
    7,053.92x = 10,579.86 × 4,939.13
  4. Step 4: Simplify right side
    7,053.92x = 52,255,303.92
  5. Step 5: Solve for x
    x = 52,255,303.92/7,053.92
  6. Step 6: Final answer
    x = 7,407.98

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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.