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Finding the Fourth Proportional to 61,160.58, 91,623.62 and 47,099.39

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Solution

The fourth proportional to 61,160.58, 91,623.62 and 47,099.39 is: 70,558.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,160.58 : 91,623.62 = 47,099.39 : x
  2. Step 2: Convert to fraction form
    61,160.58/91,623.62 = 47,099.39/x
  3. Step 3: Cross multiply
    61,160.58x = 91,623.62 × 47,099.39
  4. Step 4: Simplify right side
    61,160.58x = 4,315,416,271.22
  5. Step 5: Solve for x
    x = 4,315,416,271.22/61,160.58
  6. Step 6: Final answer
    x = 70,558.79

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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.