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Finding the Fourth Proportional to 44,005.40, 65,983.80 and 17,680.40

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Solution

The fourth proportional to 44,005.40, 65,983.80 and 17,680.40 is: 26,510.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,005.40 : 65,983.80 = 17,680.40 : x
  2. Step 2: Convert to fraction form
    44,005.40/65,983.80 = 17,680.40/x
  3. Step 3: Cross multiply
    44,005.40x = 65,983.80 × 17,680.40
  4. Step 4: Simplify right side
    44,005.40x = 1,166,619,977.52
  5. Step 5: Solve for x
    x = 1,166,619,977.52/44,005.40
  6. Step 6: Final answer
    x = 26,510.84

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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.