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Finding the Fourth Proportional to 21,702.33, 32,551.14 and 6,910.08

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Solution

The fourth proportional to 21,702.33, 32,551.14 and 6,910.08 is: 10,364.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,702.33 : 32,551.14 = 6,910.08 : x
  2. Step 2: Convert to fraction form
    21,702.33/32,551.14 = 6,910.08/x
  3. Step 3: Cross multiply
    21,702.33x = 32,551.14 × 6,910.08
  4. Step 4: Simplify right side
    21,702.33x = 224,931,140.55
  5. Step 5: Solve for x
    x = 224,931,140.55/21,702.33
  6. Step 6: Final answer
    x = 10,364.38

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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.