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Finding the Fourth Proportional to 70,596.60, 97,416.96 and 38,764.80

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Solution

The fourth proportional to 70,596.60, 97,416.96 and 38,764.80 is: 53,491.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,596.60 : 97,416.96 = 38,764.80 : x
  2. Step 2: Convert to fraction form
    70,596.60/97,416.96 = 38,764.80/x
  3. Step 3: Cross multiply
    70,596.60x = 97,416.96 × 38,764.80
  4. Step 4: Simplify right side
    70,596.60x = 3,776,348,971.01
  5. Step 5: Solve for x
    x = 3,776,348,971.01/70,596.60
  6. Step 6: Final answer
    x = 53,491.94

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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.