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Finding the Fourth Proportional to 44,653.76, 66,980.64 and 18,340.04

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Solution

The fourth proportional to 44,653.76, 66,980.64 and 18,340.04 is: 27,510.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,653.76 : 66,980.64 = 18,340.04 : x
  2. Step 2: Convert to fraction form
    44,653.76/66,980.64 = 18,340.04/x
  3. Step 3: Cross multiply
    44,653.76x = 66,980.64 × 18,340.04
  4. Step 4: Simplify right side
    44,653.76x = 1,228,427,616.83
  5. Step 5: Solve for x
    x = 1,228,427,616.83/44,653.76
  6. Step 6: Final answer
    x = 27,510.06

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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.