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Finding the Fourth Proportional to 70,498.92, 97,294.74 and 38,674.02

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Solution

The fourth proportional to 70,498.92, 97,294.74 and 38,674.02 is: 53,373.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,498.92 : 97,294.74 = 38,674.02 : x
  2. Step 2: Convert to fraction form
    70,498.92/97,294.74 = 38,674.02/x
  3. Step 3: Cross multiply
    70,498.92x = 97,294.74 × 38,674.02
  4. Step 4: Simplify right side
    70,498.92x = 3,762,778,720.65
  5. Step 5: Solve for x
    x = 3,762,778,720.65/70,498.92
  6. Step 6: Final answer
    x = 53,373.57

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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.