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Finding the Fourth Proportional to 35,602.40, 53,330.70 and 18,082.10

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Solution

The fourth proportional to 35,602.40, 53,330.70 and 18,082.10 is: 27,086.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,602.40 : 53,330.70 = 18,082.10 : x
  2. Step 2: Convert to fraction form
    35,602.40/53,330.70 = 18,082.10/x
  3. Step 3: Cross multiply
    35,602.40x = 53,330.70 × 18,082.10
  4. Step 4: Simplify right side
    35,602.40x = 964,331,050.47
  5. Step 5: Solve for x
    x = 964,331,050.47/35,602.40
  6. Step 6: Final answer
    x = 27,086.12

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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.