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Finding the Fourth Proportional to 7,365.58, 11,042.84 and 4,443.20

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Solution

The fourth proportional to 7,365.58, 11,042.84 and 4,443.20 is: 6,661.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,365.58 : 11,042.84 = 4,443.20 : x
  2. Step 2: Convert to fraction form
    7,365.58/11,042.84 = 4,443.20/x
  3. Step 3: Cross multiply
    7,365.58x = 11,042.84 × 4,443.20
  4. Step 4: Simplify right side
    7,365.58x = 49,065,502.58
  5. Step 5: Solve for x
    x = 49,065,502.58/7,365.58
  6. Step 6: Final answer
    x = 6,661.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.