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Finding the Fourth Proportional to 29,192.76, 43,784.73 and 8,130.60

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Solution

The fourth proportional to 29,192.76, 43,784.73 and 8,130.60 is: 12,194.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,192.76 : 43,784.73 = 8,130.60 : x
  2. Step 2: Convert to fraction form
    29,192.76/43,784.73 = 8,130.60/x
  3. Step 3: Cross multiply
    29,192.76x = 43,784.73 × 8,130.60
  4. Step 4: Simplify right side
    29,192.76x = 355,996,125.74
  5. Step 5: Solve for x
    x = 355,996,125.74/29,192.76
  6. Step 6: Final answer
    x = 12,194.67

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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.