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Finding the Fourth Proportional to 37,695.40, 56,543.10 and 9,993.40

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Solution

The fourth proportional to 37,695.40, 56,543.10 and 9,993.40 is: 14,990.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,695.40 : 56,543.10 = 9,993.40 : x
  2. Step 2: Convert to fraction form
    37,695.40/56,543.10 = 9,993.40/x
  3. Step 3: Cross multiply
    37,695.40x = 56,543.10 × 9,993.40
  4. Step 4: Simplify right side
    37,695.40x = 565,057,815.54
  5. Step 5: Solve for x
    x = 565,057,815.54/37,695.40
  6. Step 6: Final answer
    x = 14,990.10

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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.