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Finding the Fourth Proportional to 32,355.40, 44,648.58 and 18,207.40

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Solution

The fourth proportional to 32,355.40, 44,648.58 and 18,207.40 is: 25,125.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,355.40 : 44,648.58 = 18,207.40 : x
  2. Step 2: Convert to fraction form
    32,355.40/44,648.58 = 18,207.40/x
  3. Step 3: Cross multiply
    32,355.40x = 44,648.58 × 18,207.40
  4. Step 4: Simplify right side
    32,355.40x = 812,934,555.49
  5. Step 5: Solve for x
    x = 812,934,555.49/32,355.40
  6. Step 6: Final answer
    x = 25,125.16

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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.