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Finding the Fourth Proportional to 9,366.53, 12,925.47 and 5,388.26

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Solution

The fourth proportional to 9,366.53, 12,925.47 and 5,388.26 is: 7,435.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,366.53 : 12,925.47 = 5,388.26 : x
  2. Step 2: Convert to fraction form
    9,366.53/12,925.47 = 5,388.26/x
  3. Step 3: Cross multiply
    9,366.53x = 12,925.47 × 5,388.26
  4. Step 4: Simplify right side
    9,366.53x = 69,645,728.35
  5. Step 5: Solve for x
    x = 69,645,728.35/9,366.53
  6. Step 6: Final answer
    x = 7,435.60

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Double scale
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Similar ratio
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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.