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Finding the Fourth Proportional to 9,365.28, 12,925.08 and 5,964.72

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Solution

The fourth proportional to 9,365.28, 12,925.08 and 5,964.72 is: 8,231.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,365.28 : 12,925.08 = 5,964.72 : x
  2. Step 2: Convert to fraction form
    9,365.28/12,925.08 = 5,964.72/x
  3. Step 3: Cross multiply
    9,365.28x = 12,925.08 × 5,964.72
  4. Step 4: Simplify right side
    9,365.28x = 77,094,483.18
  5. Step 5: Solve for x
    x = 77,094,483.18/9,365.28
  6. Step 6: Final answer
    x = 8,231.95

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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.