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Finding the Fourth Proportional to 45,801.76, 68,702.80 and 16,220.46

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Solution

The fourth proportional to 45,801.76, 68,702.80 and 16,220.46 is: 24,330.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,801.76 : 68,702.80 = 16,220.46 : x
  2. Step 2: Convert to fraction form
    45,801.76/68,702.80 = 16,220.46/x
  3. Step 3: Cross multiply
    45,801.76x = 68,702.80 × 16,220.46
  4. Step 4: Simplify right side
    45,801.76x = 1,114,390,958.46
  5. Step 5: Solve for x
    x = 1,114,390,958.46/45,801.76
  6. Step 6: Final answer
    x = 24,330.74

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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.