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Finding the Fourth Proportional to 73,059.52, 109,510.64 and 30,929.76

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Solution

The fourth proportional to 73,059.52, 109,510.64 and 30,929.76 is: 46,361.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,059.52 : 109,510.64 = 30,929.76 : x
  2. Step 2: Convert to fraction form
    73,059.52/109,510.64 = 30,929.76/x
  3. Step 3: Cross multiply
    73,059.52x = 109,510.64 × 30,929.76
  4. Step 4: Simplify right side
    73,059.52x = 3,387,137,812.65
  5. Step 5: Solve for x
    x = 3,387,137,812.65/73,059.52
  6. Step 6: Final answer
    x = 46,361.35

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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.