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Finding the Fourth Proportional to 9,365.76, 12,935.18 and 7,266.67

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Solution

The fourth proportional to 9,365.76, 12,935.18 and 7,266.67 is: 10,036.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,365.76 : 12,935.18 = 7,266.67 : x
  2. Step 2: Convert to fraction form
    9,365.76/12,935.18 = 7,266.67/x
  3. Step 3: Cross multiply
    9,365.76x = 12,935.18 × 7,266.67
  4. Step 4: Simplify right side
    9,365.76x = 93,995,670.28
  5. Step 5: Solve for x
    x = 93,995,670.28/9,365.76
  6. Step 6: Final answer
    x = 10,036.10

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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.