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Finding the Fourth Proportional to 44,703, 66,952.44 and 21,345.84

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Solution

The fourth proportional to 44,703, 66,952.44 and 21,345.84 is: 31,970.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,703 : 66,952.44 = 21,345.84 : x
  2. Step 2: Convert to fraction form
    44,703/66,952.44 = 21,345.84/x
  3. Step 3: Cross multiply
    44,703x = 66,952.44 × 21,345.84
  4. Step 4: Simplify right side
    44,703x = 1,429,156,071.85
  5. Step 5: Solve for x
    x = 1,429,156,071.85/44,703
  6. Step 6: Final answer
    x = 31,970.03

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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.