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Finding the Fourth Proportional to 58,828.04, 88,218.74 and 21,367.68

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Solution

The fourth proportional to 58,828.04, 88,218.74 and 21,367.68 is: 32,043.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,828.04 : 88,218.74 = 21,367.68 : x
  2. Step 2: Convert to fraction form
    58,828.04/88,218.74 = 21,367.68/x
  3. Step 3: Cross multiply
    58,828.04x = 88,218.74 × 21,367.68
  4. Step 4: Simplify right side
    58,828.04x = 1,885,029,806.32
  5. Step 5: Solve for x
    x = 1,885,029,806.32/58,828.04
  6. Step 6: Final answer
    x = 32,043.05

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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.