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Finding the Fourth Proportional to 43,355.25, 65,032.88 and 10,523.25

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Solution

The fourth proportional to 43,355.25, 65,032.88 and 10,523.25 is: 15,784.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,355.25 : 65,032.88 = 10,523.25 : x
  2. Step 2: Convert to fraction form
    43,355.25/65,032.88 = 10,523.25/x
  3. Step 3: Cross multiply
    43,355.25x = 65,032.88 × 10,523.25
  4. Step 4: Simplify right side
    43,355.25x = 684,357,201.84
  5. Step 5: Solve for x
    x = 684,357,201.84/43,355.25
  6. Step 6: Final answer
    x = 15,784.88

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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.