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Finding the Fourth Proportional to 70,626.81, 97,465.72 and 38,362.06

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Solution

The fourth proportional to 70,626.81, 97,465.72 and 38,362.06 is: 52,940.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,626.81 : 97,465.72 = 38,362.06 : x
  2. Step 2: Convert to fraction form
    70,626.81/97,465.72 = 38,362.06/x
  3. Step 3: Cross multiply
    70,626.81x = 97,465.72 × 38,362.06
  4. Step 4: Simplify right side
    70,626.81x = 3,738,985,702.68
  5. Step 5: Solve for x
    x = 3,738,985,702.68/70,626.81
  6. Step 6: Final answer
    x = 52,940.03

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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.