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Finding the Fourth Proportional to 8,775.30, 12,110.07 and 4,796.67

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Solution

The fourth proportional to 8,775.30, 12,110.07 and 4,796.67 is: 6,619.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,775.30 : 12,110.07 = 4,796.67 : x
  2. Step 2: Convert to fraction form
    8,775.30/12,110.07 = 4,796.67/x
  3. Step 3: Cross multiply
    8,775.30x = 12,110.07 × 4,796.67
  4. Step 4: Simplify right side
    8,775.30x = 58,088,009.47
  5. Step 5: Solve for x
    x = 58,088,009.47/8,775.30
  6. Step 6: Final answer
    x = 6,619.49

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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.