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Finding the Fourth Proportional to 76,000.75, 104,881.04 and 42,466.75

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Solution

The fourth proportional to 76,000.75, 104,881.04 and 42,466.75 is: 58,604.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,000.75 : 104,881.04 = 42,466.75 : x
  2. Step 2: Convert to fraction form
    76,000.75/104,881.04 = 42,466.75/x
  3. Step 3: Cross multiply
    76,000.75x = 104,881.04 × 42,466.75
  4. Step 4: Simplify right side
    76,000.75x = 4,453,956,905.42
  5. Step 5: Solve for x
    x = 4,453,956,905.42/76,000.75
  6. Step 6: Final answer
    x = 58,604.12

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Half scale
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Double scale
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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.