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Finding the Fourth Proportional to 29,828.86, 44,645.93 and 21,929.29

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Solution

The fourth proportional to 29,828.86, 44,645.93 and 21,929.29 is: 32,822.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,828.86 : 44,645.93 = 21,929.29 : x
  2. Step 2: Convert to fraction form
    29,828.86/44,645.93 = 21,929.29/x
  3. Step 3: Cross multiply
    29,828.86x = 44,645.93 × 21,929.29
  4. Step 4: Simplify right side
    29,828.86x = 979,053,323.06
  5. Step 5: Solve for x
    x = 979,053,323.06/29,828.86
  6. Step 6: Final answer
    x = 32,822.35

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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.