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Finding the Fourth Proportional to 28,802.93, 39,743.22 and 16,053.32

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Solution

The fourth proportional to 28,802.93, 39,743.22 and 16,053.32 is: 22,150.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,802.93 : 39,743.22 = 16,053.32 : x
  2. Step 2: Convert to fraction form
    28,802.93/39,743.22 = 16,053.32/x
  3. Step 3: Cross multiply
    28,802.93x = 39,743.22 × 16,053.32
  4. Step 4: Simplify right side
    28,802.93x = 638,010,429.77
  5. Step 5: Solve for x
    x = 638,010,429.77/28,802.93
  6. Step 6: Final answer
    x = 22,150.89

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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.