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Finding the Fourth Proportional to 7,465.52, 11,134.90 and 7,334.30

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Solution

The fourth proportional to 7,465.52, 11,134.90 and 7,334.30 is: 10,939.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,465.52 : 11,134.90 = 7,334.30 : x
  2. Step 2: Convert to fraction form
    7,465.52/11,134.90 = 7,334.30/x
  3. Step 3: Cross multiply
    7,465.52x = 11,134.90 × 7,334.30
  4. Step 4: Simplify right side
    7,465.52x = 81,666,697.07
  5. Step 5: Solve for x
    x = 81,666,697.07/7,465.52
  6. Step 6: Final answer
    x = 10,939.18

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.