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Finding the Fourth Proportional to 37,697.66, 56,544.96 and 9,618.40

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Solution

The fourth proportional to 37,697.66, 56,544.96 and 9,618.40 is: 14,427.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,697.66 : 56,544.96 = 9,618.40 : x
  2. Step 2: Convert to fraction form
    37,697.66/56,544.96 = 9,618.40/x
  3. Step 3: Cross multiply
    37,697.66x = 56,544.96 × 9,618.40
  4. Step 4: Simplify right side
    37,697.66x = 543,872,043.26
  5. Step 5: Solve for x
    x = 543,872,043.26/37,697.66
  6. Step 6: Final answer
    x = 14,427.21

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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.