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Finding the Fourth Proportional to 9,365.40, 14,048.10 and 8,818.65

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Solution

The fourth proportional to 9,365.40, 14,048.10 and 8,818.65 is: 13,227.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,365.40 : 14,048.10 = 8,818.65 : x
  2. Step 2: Convert to fraction form
    9,365.40/14,048.10 = 8,818.65/x
  3. Step 3: Cross multiply
    9,365.40x = 14,048.10 × 8,818.65
  4. Step 4: Simplify right side
    9,365.40x = 123,885,277.07
  5. Step 5: Solve for x
    x = 123,885,277.07/9,365.40
  6. Step 6: Final answer
    x = 13,227.98

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.