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Finding the Fourth Proportional to 19,952.93, 29,929.22 and 7,640.93

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Solution

The fourth proportional to 19,952.93, 29,929.22 and 7,640.93 is: 11,461.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,952.93 : 29,929.22 = 7,640.93 : x
  2. Step 2: Convert to fraction form
    19,952.93/29,929.22 = 7,640.93/x
  3. Step 3: Cross multiply
    19,952.93x = 29,929.22 × 7,640.93
  4. Step 4: Simplify right side
    19,952.93x = 228,687,036.77
  5. Step 5: Solve for x
    x = 228,687,036.77/19,952.93
  6. Step 6: Final answer
    x = 11,461.33

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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.