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Finding the Fourth Proportional to 76,592.50, 105,697.65 and 43,058.74

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Solution

The fourth proportional to 76,592.50, 105,697.65 and 43,058.74 is: 59,421.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,592.50 : 105,697.65 = 43,058.74 : x
  2. Step 2: Convert to fraction form
    76,592.50/105,697.65 = 43,058.74/x
  3. Step 3: Cross multiply
    76,592.50x = 105,697.65 × 43,058.74
  4. Step 4: Simplify right side
    76,592.50x = 4,551,207,629.96
  5. Step 5: Solve for x
    x = 4,551,207,629.96/76,592.50
  6. Step 6: Final answer
    x = 59,421.06

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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.