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Finding the Fourth Proportional to 7,157.04, 9,866.34 and 5,026.08

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Solution

The fourth proportional to 7,157.04, 9,866.34 and 5,026.08 is: 6,928.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,157.04 : 9,866.34 = 5,026.08 : x
  2. Step 2: Convert to fraction form
    7,157.04/9,866.34 = 5,026.08/x
  3. Step 3: Cross multiply
    7,157.04x = 9,866.34 × 5,026.08
  4. Step 4: Simplify right side
    7,157.04x = 49,589,014.15
  5. Step 5: Solve for x
    x = 49,589,014.15/7,157.04
  6. Step 6: Final answer
    x = 6,928.70

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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.