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Finding the Fourth Proportional to 61,989.80, 92,984.70 and 37,106.60

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Solution

The fourth proportional to 61,989.80, 92,984.70 and 37,106.60 is: 55,659.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,989.80 : 92,984.70 = 37,106.60 : x
  2. Step 2: Convert to fraction form
    61,989.80/92,984.70 = 37,106.60/x
  3. Step 3: Cross multiply
    61,989.80x = 92,984.70 × 37,106.60
  4. Step 4: Simplify right side
    61,989.80x = 3,450,346,069.02
  5. Step 5: Solve for x
    x = 3,450,346,069.02/61,989.80
  6. Step 6: Final answer
    x = 55,659.90

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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.