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Finding the Fourth Proportional to 57,777.60, 86,520.60 and 46,113.60

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Solution

The fourth proportional to 57,777.60, 86,520.60 and 46,113.60 is: 69,054.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,777.60 : 86,520.60 = 46,113.60 : x
  2. Step 2: Convert to fraction form
    57,777.60/86,520.60 = 46,113.60/x
  3. Step 3: Cross multiply
    57,777.60x = 86,520.60 × 46,113.60
  4. Step 4: Simplify right side
    57,777.60x = 3,989,776,340.16
  5. Step 5: Solve for x
    x = 3,989,776,340.16/57,777.60
  6. Step 6: Final answer
    x = 69,054.03

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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.