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Finding the Fourth Proportional to 38,702.94, 58,064.16 and 11,000.94

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Solution

The fourth proportional to 38,702.94, 58,064.16 and 11,000.94 is: 16,504.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,702.94 : 58,064.16 = 11,000.94 : x
  2. Step 2: Convert to fraction form
    38,702.94/58,064.16 = 11,000.94/x
  3. Step 3: Cross multiply
    38,702.94x = 58,064.16 × 11,000.94
  4. Step 4: Simplify right side
    38,702.94x = 638,760,195.15
  5. Step 5: Solve for x
    x = 638,760,195.15/38,702.94
  6. Step 6: Final answer
    x = 16,504.18

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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.