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Finding the Fourth Proportional to 7,510.69, 10,365.08 and 4,679.74

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Solution

The fourth proportional to 7,510.69, 10,365.08 and 4,679.74 is: 6,458.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,510.69 : 10,365.08 = 4,679.74 : x
  2. Step 2: Convert to fraction form
    7,510.69/10,365.08 = 4,679.74/x
  3. Step 3: Cross multiply
    7,510.69x = 10,365.08 × 4,679.74
  4. Step 4: Simplify right side
    7,510.69x = 48,505,879.48
  5. Step 5: Solve for x
    x = 48,505,879.48/7,510.69
  6. Step 6: Final answer
    x = 6,458.25

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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.