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Finding the Fourth Proportional to 22,172.29, 30,597.51 and 12,101.15

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Solution

The fourth proportional to 22,172.29, 30,597.51 and 12,101.15 is: 16,699.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,172.29 : 30,597.51 = 12,101.15 : x
  2. Step 2: Convert to fraction form
    22,172.29/30,597.51 = 12,101.15/x
  3. Step 3: Cross multiply
    22,172.29x = 30,597.51 × 12,101.15
  4. Step 4: Simplify right side
    22,172.29x = 370,264,997.63
  5. Step 5: Solve for x
    x = 370,264,997.63/22,172.29
  6. Step 6: Final answer
    x = 16,699.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.