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Finding the Fourth Proportional to 73,006.31, 109,509.57 and 17,602.31

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Solution

The fourth proportional to 73,006.31, 109,509.57 and 17,602.31 is: 26,403.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,006.31 : 109,509.57 = 17,602.31 : x
  2. Step 2: Convert to fraction form
    73,006.31/109,509.57 = 17,602.31/x
  3. Step 3: Cross multiply
    73,006.31x = 109,509.57 × 17,602.31
  4. Step 4: Simplify right side
    73,006.31x = 1,927,621,672.88
  5. Step 5: Solve for x
    x = 1,927,621,672.88/73,006.31
  6. Step 6: Final answer
    x = 26,403.49

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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.