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Finding the Fourth Proportional to 47,155.46, 65,075.08 and 25,935.08

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Solution

The fourth proportional to 47,155.46, 65,075.08 and 25,935.08 is: 35,790.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,155.46 : 65,075.08 = 25,935.08 : x
  2. Step 2: Convert to fraction form
    47,155.46/65,075.08 = 25,935.08/x
  3. Step 3: Cross multiply
    47,155.46x = 65,075.08 × 25,935.08
  4. Step 4: Simplify right side
    47,155.46x = 1,687,727,405.81
  5. Step 5: Solve for x
    x = 1,687,727,405.81/47,155.46
  6. Step 6: Final answer
    x = 35,790.71

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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.