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Finding the Fourth Proportional to 37,639.16, 56,454.42 and 9,939.32

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Solution

The fourth proportional to 37,639.16, 56,454.42 and 9,939.32 is: 14,907.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,639.16 : 56,454.42 = 9,939.32 : x
  2. Step 2: Convert to fraction form
    37,639.16/56,454.42 = 9,939.32/x
  3. Step 3: Cross multiply
    37,639.16x = 56,454.42 × 9,939.32
  4. Step 4: Simplify right side
    37,639.16x = 561,118,545.79
  5. Step 5: Solve for x
    x = 561,118,545.79/37,639.16
  6. Step 6: Final answer
    x = 14,907.84

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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.