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Finding the Fourth Proportional to 21,924.68, 32,894.68 and 6,934.10

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Solution

The fourth proportional to 21,924.68, 32,894.68 and 6,934.10 is: 10,403.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,924.68 : 32,894.68 = 6,934.10 : x
  2. Step 2: Convert to fraction form
    21,924.68/32,894.68 = 6,934.10/x
  3. Step 3: Cross multiply
    21,924.68x = 32,894.68 × 6,934.10
  4. Step 4: Simplify right side
    21,924.68x = 228,095,000.59
  5. Step 5: Solve for x
    x = 228,095,000.59/21,924.68
  6. Step 6: Final answer
    x = 10,403.57

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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.