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Finding the Fourth Proportional to 23,121.01, 31,907.01 and 16,051.53

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Solution

The fourth proportional to 23,121.01, 31,907.01 and 16,051.53 is: 22,151.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,121.01 : 31,907.01 = 16,051.53 : x
  2. Step 2: Convert to fraction form
    23,121.01/31,907.01 = 16,051.53/x
  3. Step 3: Cross multiply
    23,121.01x = 31,907.01 × 16,051.53
  4. Step 4: Simplify right side
    23,121.01x = 512,156,508.07
  5. Step 5: Solve for x
    x = 512,156,508.07/23,121.01
  6. Step 6: Final answer
    x = 22,151.13

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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.