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Finding the Fourth Proportional to 57,784.60, 86,633.70 and 24,477.40

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Solution

The fourth proportional to 57,784.60, 86,633.70 and 24,477.40 is: 36,697.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,784.60 : 86,633.70 = 24,477.40 : x
  2. Step 2: Convert to fraction form
    57,784.60/86,633.70 = 24,477.40/x
  3. Step 3: Cross multiply
    57,784.60x = 86,633.70 × 24,477.40
  4. Step 4: Simplify right side
    57,784.60x = 2,120,567,728.38
  5. Step 5: Solve for x
    x = 2,120,567,728.38/57,784.60
  6. Step 6: Final answer
    x = 36,697.80

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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.