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Finding the Fourth Proportional to 70,105.04, 96,746.60 and 38,274.16

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Solution

The fourth proportional to 70,105.04, 96,746.60 and 38,274.16 is: 52,819.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,105.04 : 96,746.60 = 38,274.16 : x
  2. Step 2: Convert to fraction form
    70,105.04/96,746.60 = 38,274.16/x
  3. Step 3: Cross multiply
    70,105.04x = 96,746.60 × 38,274.16
  4. Step 4: Simplify right side
    70,105.04x = 3,702,894,847.86
  5. Step 5: Solve for x
    x = 3,702,894,847.86/70,105.04
  6. Step 6: Final answer
    x = 52,819.24

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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.