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Finding the Fourth Proportional to 65,219.20, 97,828.80 and 37,494.40

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Solution

The fourth proportional to 65,219.20, 97,828.80 and 37,494.40 is: 56,241.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,219.20 : 97,828.80 = 37,494.40 : x
  2. Step 2: Convert to fraction form
    65,219.20/97,828.80 = 37,494.40/x
  3. Step 3: Cross multiply
    65,219.20x = 97,828.80 × 37,494.40
  4. Step 4: Simplify right side
    65,219.20x = 3,668,032,158.72
  5. Step 5: Solve for x
    x = 3,668,032,158.72/65,219.20
  6. Step 6: Final answer
    x = 56,241.60

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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.