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Finding the Fourth Proportional to 22,712.69, 34,070.48 and 7,130.93

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Solution

The fourth proportional to 22,712.69, 34,070.48 and 7,130.93 is: 10,696.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,712.69 : 34,070.48 = 7,130.93 : x
  2. Step 2: Convert to fraction form
    22,712.69/34,070.48 = 7,130.93/x
  3. Step 3: Cross multiply
    22,712.69x = 34,070.48 × 7,130.93
  4. Step 4: Simplify right side
    22,712.69x = 242,954,310.95
  5. Step 5: Solve for x
    x = 242,954,310.95/22,712.69
  6. Step 6: Final answer
    x = 10,696.85

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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.