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Finding the Fourth Proportional to 10,596.69, 15,899.52 and 5,328.93

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Solution

The fourth proportional to 10,596.69, 15,899.52 and 5,328.93 is: 7,995.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,596.69 : 15,899.52 = 5,328.93 : x
  2. Step 2: Convert to fraction form
    10,596.69/15,899.52 = 5,328.93/x
  3. Step 3: Cross multiply
    10,596.69x = 15,899.52 × 5,328.93
  4. Step 4: Simplify right side
    10,596.69x = 84,727,429.11
  5. Step 5: Solve for x
    x = 84,727,429.11/10,596.69
  6. Step 6: Final answer
    x = 7,995.65

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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.