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Finding the Fourth Proportional to 35,218.40, 52,730.40 and 27,442.40

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Solution

The fourth proportional to 35,218.40, 52,730.40 and 27,442.40 is: 41,087.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,218.40 : 52,730.40 = 27,442.40 : x
  2. Step 2: Convert to fraction form
    35,218.40/52,730.40 = 27,442.40/x
  3. Step 3: Cross multiply
    35,218.40x = 52,730.40 × 27,442.40
  4. Step 4: Simplify right side
    35,218.40x = 1,447,048,728.96
  5. Step 5: Solve for x
    x = 1,447,048,728.96/35,218.40
  6. Step 6: Final answer
    x = 41,087.86

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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.