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Finding the Fourth Proportional to 32,356.20, 44,644.16 and 18,203.88

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Solution

The fourth proportional to 32,356.20, 44,644.16 and 18,203.88 is: 25,117.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,356.20 : 44,644.16 = 18,203.88 : x
  2. Step 2: Convert to fraction form
    32,356.20/44,644.16 = 18,203.88/x
  3. Step 3: Cross multiply
    32,356.20x = 44,644.16 × 18,203.88
  4. Step 4: Simplify right side
    32,356.20x = 812,696,931.34
  5. Step 5: Solve for x
    x = 812,696,931.34/32,356.20
  6. Step 6: Final answer
    x = 25,117.19

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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.