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Finding the Fourth Proportional to 64,847.80, 97,271.70 and 37,148.60

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Solution

The fourth proportional to 64,847.80, 97,271.70 and 37,148.60 is: 55,722.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,847.80 : 97,271.70 = 37,148.60 : x
  2. Step 2: Convert to fraction form
    64,847.80/97,271.70 = 37,148.60/x
  3. Step 3: Cross multiply
    64,847.80x = 97,271.70 × 37,148.60
  4. Step 4: Simplify right side
    64,847.80x = 3,613,507,474.62
  5. Step 5: Solve for x
    x = 3,613,507,474.62/64,847.80
  6. Step 6: Final answer
    x = 55,722.90

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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.