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Finding the Fourth Proportional to 32,389.32, 44,697.32 and 18,963.21

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Solution

The fourth proportional to 32,389.32, 44,697.32 and 18,963.21 is: 26,169.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,389.32 : 44,697.32 = 18,963.21 : x
  2. Step 2: Convert to fraction form
    32,389.32/44,697.32 = 18,963.21/x
  3. Step 3: Cross multiply
    32,389.32x = 44,697.32 × 18,963.21
  4. Step 4: Simplify right side
    32,389.32x = 847,604,570.78
  5. Step 5: Solve for x
    x = 847,604,570.78/32,389.32
  6. Step 6: Final answer
    x = 26,169.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.