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Finding the Fourth Proportional to 17,702.40, 26,555.52 and 6,614.40

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Solution

The fourth proportional to 17,702.40, 26,555.52 and 6,614.40 is: 9,922.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,702.40 : 26,555.52 = 6,614.40 : x
  2. Step 2: Convert to fraction form
    17,702.40/26,555.52 = 6,614.40/x
  3. Step 3: Cross multiply
    17,702.40x = 26,555.52 × 6,614.40
  4. Step 4: Simplify right side
    17,702.40x = 175,648,831.49
  5. Step 5: Solve for x
    x = 175,648,831.49/17,702.40
  6. Step 6: Final answer
    x = 9,922.32

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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.