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Finding the Fourth Proportional to 7,295.59, 10,135.88 and 7,208.11

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Solution

The fourth proportional to 7,295.59, 10,135.88 and 7,208.11 is: 10,014.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,295.59 : 10,135.88 = 7,208.11 : x
  2. Step 2: Convert to fraction form
    7,295.59/10,135.88 = 7,208.11/x
  3. Step 3: Cross multiply
    7,295.59x = 10,135.88 × 7,208.11
  4. Step 4: Simplify right side
    7,295.59x = 73,060,451.27
  5. Step 5: Solve for x
    x = 73,060,451.27/7,295.59
  6. Step 6: Final answer
    x = 10,014.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.