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Finding the Fourth Proportional to 48,285.71, 72,410.74 and 16,687.71

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Solution

The fourth proportional to 48,285.71, 72,410.74 and 16,687.71 is: 25,025.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,285.71 : 72,410.74 = 16,687.71 : x
  2. Step 2: Convert to fraction form
    48,285.71/72,410.74 = 16,687.71/x
  3. Step 3: Cross multiply
    48,285.71x = 72,410.74 × 16,687.71
  4. Step 4: Simplify right side
    48,285.71x = 1,208,369,430.01
  5. Step 5: Solve for x
    x = 1,208,369,430.01/48,285.71
  6. Step 6: Final answer
    x = 25,025.40

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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.