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Finding the Fourth Proportional to 70,047.04, 96,668 and 38,214.72

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Solution

The fourth proportional to 70,047.04, 96,668 and 38,214.72 is: 52,738.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,047.04 : 96,668 = 38,214.72 : x
  2. Step 2: Convert to fraction form
    70,047.04/96,668 = 38,214.72/x
  3. Step 3: Cross multiply
    70,047.04x = 96,668 × 38,214.72
  4. Step 4: Simplify right side
    70,047.04x = 3,694,140,552.96
  5. Step 5: Solve for x
    x = 3,694,140,552.96/70,047.04
  6. Step 6: Final answer
    x = 52,738.00

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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.