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Finding the Fourth Proportional to 7,239.93, 10,866.06 and 5,165.02

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Solution

The fourth proportional to 7,239.93, 10,866.06 and 5,165.02 is: 7,751.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,239.93 : 10,866.06 = 5,165.02 : x
  2. Step 2: Convert to fraction form
    7,239.93/10,866.06 = 5,165.02/x
  3. Step 3: Cross multiply
    7,239.93x = 10,866.06 × 5,165.02
  4. Step 4: Simplify right side
    7,239.93x = 56,123,417.22
  5. Step 5: Solve for x
    x = 56,123,417.22/7,239.93
  6. Step 6: Final answer
    x = 7,751.93

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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.