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Finding the Fourth Proportional to 34,080.45, 47,030.11 and 18,973.11

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Solution

The fourth proportional to 34,080.45, 47,030.11 and 18,973.11 is: 26,182.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,080.45 : 47,030.11 = 18,973.11 : x
  2. Step 2: Convert to fraction form
    34,080.45/47,030.11 = 18,973.11/x
  3. Step 3: Cross multiply
    34,080.45x = 47,030.11 × 18,973.11
  4. Step 4: Simplify right side
    34,080.45x = 892,307,543.70
  5. Step 5: Solve for x
    x = 892,307,543.70/34,080.45
  6. Step 6: Final answer
    x = 26,182.39

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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.