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Finding the Fourth Proportional to 22,585, 33,881.28 and 6,999.52

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Solution

The fourth proportional to 22,585, 33,881.28 and 6,999.52 is: 10,500.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,585 : 33,881.28 = 6,999.52 : x
  2. Step 2: Convert to fraction form
    22,585/33,881.28 = 6,999.52/x
  3. Step 3: Cross multiply
    22,585x = 33,881.28 × 6,999.52
  4. Step 4: Simplify right side
    22,585x = 237,152,696.99
  5. Step 5: Solve for x
    x = 237,152,696.99/22,585
  6. Step 6: Final answer
    x = 10,500.45

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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.