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Finding the Fourth Proportional to 7,303.67, 10,079.08 and 4,159.87

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Solution

The fourth proportional to 7,303.67, 10,079.08 and 4,159.87 is: 5,740.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,303.67 : 10,079.08 = 4,159.87 : x
  2. Step 2: Convert to fraction form
    7,303.67/10,079.08 = 4,159.87/x
  3. Step 3: Cross multiply
    7,303.67x = 10,079.08 × 4,159.87
  4. Step 4: Simplify right side
    7,303.67x = 41,927,662.52
  5. Step 5: Solve for x
    x = 41,927,662.52/7,303.67
  6. Step 6: Final answer
    x = 5,740.63

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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.