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Finding the Fourth Proportional to 73,363.50, 109,970.73 and 28,929.24

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Solution

The fourth proportional to 73,363.50, 109,970.73 and 28,929.24 is: 43,364.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,363.50 : 109,970.73 = 28,929.24 : x
  2. Step 2: Convert to fraction form
    73,363.50/109,970.73 = 28,929.24/x
  3. Step 3: Cross multiply
    73,363.50x = 109,970.73 × 28,929.24
  4. Step 4: Simplify right side
    73,363.50x = 3,181,369,641.15
  5. Step 5: Solve for x
    x = 3,181,369,641.15/73,363.50
  6. Step 6: Final answer
    x = 43,364.47

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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.