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Finding the Fourth Proportional to 18,833.16, 28,248.84 and 7,737.06

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Solution

The fourth proportional to 18,833.16, 28,248.84 and 7,737.06 is: 11,605.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,833.16 : 28,248.84 = 7,737.06 : x
  2. Step 2: Convert to fraction form
    18,833.16/28,248.84 = 7,737.06/x
  3. Step 3: Cross multiply
    18,833.16x = 28,248.84 × 7,737.06
  4. Step 4: Simplify right side
    18,833.16x = 218,562,970.01
  5. Step 5: Solve for x
    x = 218,562,970.01/18,833.16
  6. Step 6: Final answer
    x = 11,605.22

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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.