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Finding the Fourth Proportional to 47,395.80, 65,406.51 and 25,884.99

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Solution

The fourth proportional to 47,395.80, 65,406.51 and 25,884.99 is: 35,721.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,395.80 : 65,406.51 = 25,884.99 : x
  2. Step 2: Convert to fraction form
    47,395.80/65,406.51 = 25,884.99/x
  3. Step 3: Cross multiply
    47,395.80x = 65,406.51 × 25,884.99
  4. Step 4: Simplify right side
    47,395.80x = 1,693,046,857.28
  5. Step 5: Solve for x
    x = 1,693,046,857.28/47,395.80
  6. Step 6: Final answer
    x = 35,721.45

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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.