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Finding the Fourth Proportional to 21,798.01, 32,696.87 and 14,400.69

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Solution

The fourth proportional to 21,798.01, 32,696.87 and 14,400.69 is: 21,600.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,798.01 : 32,696.87 = 14,400.69 : x
  2. Step 2: Convert to fraction form
    21,798.01/32,696.87 = 14,400.69/x
  3. Step 3: Cross multiply
    21,798.01x = 32,696.87 × 14,400.69
  4. Step 4: Simplify right side
    21,798.01x = 470,857,294.22
  5. Step 5: Solve for x
    x = 470,857,294.22/21,798.01
  6. Step 6: Final answer
    x = 21,600.93

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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.