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Finding the Fourth Proportional to 76,590.34, 105,679 and 44,753.08

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Solution

The fourth proportional to 76,590.34, 105,679 and 44,753.08 is: 61,750.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,590.34 : 105,679 = 44,753.08 : x
  2. Step 2: Convert to fraction form
    76,590.34/105,679 = 44,753.08/x
  3. Step 3: Cross multiply
    76,590.34x = 105,679 × 44,753.08
  4. Step 4: Simplify right side
    76,590.34x = 4,729,460,741.32
  5. Step 5: Solve for x
    x = 4,729,460,741.32/76,590.34
  6. Step 6: Final answer
    x = 61,750.09

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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.