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Finding the Fourth Proportional to 35,891.48, 53,848.14 and 18,373.60

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Solution

The fourth proportional to 35,891.48, 53,848.14 and 18,373.60 is: 27,565.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,891.48 : 53,848.14 = 18,373.60 : x
  2. Step 2: Convert to fraction form
    35,891.48/53,848.14 = 18,373.60/x
  3. Step 3: Cross multiply
    35,891.48x = 53,848.14 × 18,373.60
  4. Step 4: Simplify right side
    35,891.48x = 989,384,185.10
  5. Step 5: Solve for x
    x = 989,384,185.10/35,891.48
  6. Step 6: Final answer
    x = 27,565.99

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1.5x scale

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.