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Finding the Fourth Proportional to 64,025.80, 88,360.50 and 35,350.99

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Solution

The fourth proportional to 64,025.80, 88,360.50 and 35,350.99 is: 48,787.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,025.80 : 88,360.50 = 35,350.99 : x
  2. Step 2: Convert to fraction form
    64,025.80/88,360.50 = 35,350.99/x
  3. Step 3: Cross multiply
    64,025.80x = 88,360.50 × 35,350.99
  4. Step 4: Simplify right side
    64,025.80x = 3,123,631,151.90
  5. Step 5: Solve for x
    x = 3,123,631,151.90/64,025.80
  6. Step 6: Final answer
    x = 48,787.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.