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Finding the Fourth Proportional to 35,903.62, 53,863.62 and 10,945.90

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Solution

The fourth proportional to 35,903.62, 53,863.62 and 10,945.90 is: 16,421.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,903.62 : 53,863.62 = 10,945.90 : x
  2. Step 2: Convert to fraction form
    35,903.62/53,863.62 = 10,945.90/x
  3. Step 3: Cross multiply
    35,903.62x = 53,863.62 × 10,945.90
  4. Step 4: Simplify right side
    35,903.62x = 589,585,798.16
  5. Step 5: Solve for x
    x = 589,585,798.16/35,903.62
  6. Step 6: Final answer
    x = 16,421.35

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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.