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Finding the Fourth Proportional to 37,624.80, 56,437.20 and 18,962.40

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Solution

The fourth proportional to 37,624.80, 56,437.20 and 18,962.40 is: 28,443.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,624.80 : 56,437.20 = 18,962.40 : x
  2. Step 2: Convert to fraction form
    37,624.80/56,437.20 = 18,962.40/x
  3. Step 3: Cross multiply
    37,624.80x = 56,437.20 × 18,962.40
  4. Step 4: Simplify right side
    37,624.80x = 1,070,184,761.28
  5. Step 5: Solve for x
    x = 1,070,184,761.28/37,624.80
  6. Step 6: Final answer
    x = 28,443.60

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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.