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Finding the Fourth Proportional to 7,293.48, 10,953.39 and 6,707.40

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Solution

The fourth proportional to 7,293.48, 10,953.39 and 6,707.40 is: 10,073.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,293.48 : 10,953.39 = 6,707.40 : x
  2. Step 2: Convert to fraction form
    7,293.48/10,953.39 = 6,707.40/x
  3. Step 3: Cross multiply
    7,293.48x = 10,953.39 × 6,707.40
  4. Step 4: Simplify right side
    7,293.48x = 73,468,768.09
  5. Step 5: Solve for x
    x = 73,468,768.09/7,293.48
  6. Step 6: Final answer
    x = 10,073.21

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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.