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Finding the Fourth Proportional to 7,702.06, 11,551.04 and 2,155.06

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Solution

The fourth proportional to 7,702.06, 11,551.04 and 2,155.06 is: 3,232.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,702.06 : 11,551.04 = 2,155.06 : x
  2. Step 2: Convert to fraction form
    7,702.06/11,551.04 = 2,155.06/x
  3. Step 3: Cross multiply
    7,702.06x = 11,551.04 × 2,155.06
  4. Step 4: Simplify right side
    7,702.06x = 24,893,184.26
  5. Step 5: Solve for x
    x = 24,893,184.26/7,702.06
  6. Step 6: Final answer
    x = 3,232.02

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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.