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Finding the Fourth Proportional to 70,845.63, 97,767.63 and 39,014.75

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Solution

The fourth proportional to 70,845.63, 97,767.63 and 39,014.75 is: 53,840.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,845.63 : 97,767.63 = 39,014.75 : x
  2. Step 2: Convert to fraction form
    70,845.63/97,767.63 = 39,014.75/x
  3. Step 3: Cross multiply
    70,845.63x = 97,767.63 × 39,014.75
  4. Step 4: Simplify right side
    70,845.63x = 3,814,379,447.47
  5. Step 5: Solve for x
    x = 3,814,379,447.47/70,845.63
  6. Step 6: Final answer
    x = 53,840.72

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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.