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Finding the Fourth Proportional to 7,303.68, 10,079.16 and 4,159.92

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Solution

The fourth proportional to 7,303.68, 10,079.16 and 4,159.92 is: 5,740.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,303.68 : 10,079.16 = 4,159.92 : x
  2. Step 2: Convert to fraction form
    7,303.68/10,079.16 = 4,159.92/x
  3. Step 3: Cross multiply
    7,303.68x = 10,079.16 × 4,159.92
  4. Step 4: Simplify right side
    7,303.68x = 41,928,499.27
  5. Step 5: Solve for x
    x = 41,928,499.27/7,303.68
  6. Step 6: Final answer
    x = 5,740.74

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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.