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Finding the Fourth Proportional to 35,595.66, 53,425.83 and 18,969.90

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Solution

The fourth proportional to 35,595.66, 53,425.83 and 18,969.90 is: 28,472.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,595.66 : 53,425.83 = 18,969.90 : x
  2. Step 2: Convert to fraction form
    35,595.66/53,425.83 = 18,969.90/x
  3. Step 3: Cross multiply
    35,595.66x = 53,425.83 × 18,969.90
  4. Step 4: Simplify right side
    35,595.66x = 1,013,482,652.52
  5. Step 5: Solve for x
    x = 1,013,482,652.52/35,595.66
  6. Step 6: Final answer
    x = 28,472.08

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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.