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Finding the Fourth Proportional to 70,588.64, 105,860.50 and 23,192.80

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Solution

The fourth proportional to 70,588.64, 105,860.50 and 23,192.80 is: 34,781.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,588.64 : 105,860.50 = 23,192.80 : x
  2. Step 2: Convert to fraction form
    70,588.64/105,860.50 = 23,192.80/x
  3. Step 3: Cross multiply
    70,588.64x = 105,860.50 × 23,192.80
  4. Step 4: Simplify right side
    70,588.64x = 2,455,201,404.40
  5. Step 5: Solve for x
    x = 2,455,201,404.40/70,588.64
  6. Step 6: Final answer
    x = 34,781.82

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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.