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Finding the Fourth Proportional to 70,322.92, 97,046.53 and 38,491.13

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Solution

The fourth proportional to 70,322.92, 97,046.53 and 38,491.13 is: 53,118.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,322.92 : 97,046.53 = 38,491.13 : x
  2. Step 2: Convert to fraction form
    70,322.92/97,046.53 = 38,491.13/x
  3. Step 3: Cross multiply
    70,322.92x = 97,046.53 × 38,491.13
  4. Step 4: Simplify right side
    70,322.92x = 3,735,430,748.67
  5. Step 5: Solve for x
    x = 3,735,430,748.67/70,322.92
  6. Step 6: Final answer
    x = 53,118.26

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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.