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Finding the Fourth Proportional to 7,235.55, 9,983.93 and 4,253.94

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Solution

The fourth proportional to 7,235.55, 9,983.93 and 4,253.94 is: 5,869.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,235.55 : 9,983.93 = 4,253.94 : x
  2. Step 2: Convert to fraction form
    7,235.55/9,983.93 = 4,253.94/x
  3. Step 3: Cross multiply
    7,235.55x = 9,983.93 × 4,253.94
  4. Step 4: Simplify right side
    7,235.55x = 42,471,017.91
  5. Step 5: Solve for x
    x = 42,471,017.91/7,235.55
  6. Step 6: Final answer
    x = 5,869.77

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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.