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Finding the Fourth Proportional to 34,077.60, 47,030.04 and 18,975.60

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Solution

The fourth proportional to 34,077.60, 47,030.04 and 18,975.60 is: 26,187.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,077.60 : 47,030.04 = 18,975.60 : x
  2. Step 2: Convert to fraction form
    34,077.60/47,030.04 = 18,975.60/x
  3. Step 3: Cross multiply
    34,077.60x = 47,030.04 × 18,975.60
  4. Step 4: Simplify right side
    34,077.60x = 892,423,227.02
  5. Step 5: Solve for x
    x = 892,423,227.02/34,077.60
  6. Step 6: Final answer
    x = 26,187.97

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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.