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Finding the Fourth Proportional to 37,641.36, 56,461.08 and 9,939.60

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Solution

The fourth proportional to 37,641.36, 56,461.08 and 9,939.60 is: 14,909.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,641.36 : 56,461.08 = 9,939.60 : x
  2. Step 2: Convert to fraction form
    37,641.36/56,461.08 = 9,939.60/x
  3. Step 3: Cross multiply
    37,641.36x = 56,461.08 × 9,939.60
  4. Step 4: Simplify right side
    37,641.36x = 561,200,550.77
  5. Step 5: Solve for x
    x = 561,200,550.77/37,641.36
  6. Step 6: Final answer
    x = 14,909.15

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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.