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Finding the Fourth Proportional to 70,647.96, 105,987.54 and 23,899.80

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Solution

The fourth proportional to 70,647.96, 105,987.54 and 23,899.80 is: 35,854.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,647.96 : 105,987.54 = 23,899.80 : x
  2. Step 2: Convert to fraction form
    70,647.96/105,987.54 = 23,899.80/x
  3. Step 3: Cross multiply
    70,647.96x = 105,987.54 × 23,899.80
  4. Step 4: Simplify right side
    70,647.96x = 2,533,081,008.49
  5. Step 5: Solve for x
    x = 2,533,081,008.49/70,647.96
  6. Step 6: Final answer
    x = 35,854.98

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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.