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Finding the Fourth Proportional to 43,364.61, 64,984.50 and 25,553.25

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Solution

The fourth proportional to 43,364.61, 64,984.50 and 25,553.25 is: 38,293.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,364.61 : 64,984.50 = 25,553.25 : x
  2. Step 2: Convert to fraction form
    43,364.61/64,984.50 = 25,553.25/x
  3. Step 3: Cross multiply
    43,364.61x = 64,984.50 × 25,553.25
  4. Step 4: Simplify right side
    43,364.61x = 1,660,565,174.63
  5. Step 5: Solve for x
    x = 1,660,565,174.63/43,364.61
  6. Step 6: Final answer
    x = 38,293.10

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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.