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Finding the Fourth Proportional to 70,859.50, 97,782.42 and 44,001.44

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Solution

The fourth proportional to 70,859.50, 97,782.42 and 44,001.44 is: 60,719.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,859.50 : 97,782.42 = 44,001.44 : x
  2. Step 2: Convert to fraction form
    70,859.50/97,782.42 = 44,001.44/x
  3. Step 3: Cross multiply
    70,859.50x = 97,782.42 × 44,001.44
  4. Step 4: Simplify right side
    70,859.50x = 4,302,567,054.45
  5. Step 5: Solve for x
    x = 4,302,567,054.45/70,859.50
  6. Step 6: Final answer
    x = 60,719.69

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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.