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Finding the Fourth Proportional to 70,107.66, 96,744.74 and 38,275.83

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Solution

The fourth proportional to 70,107.66, 96,744.74 and 38,275.83 is: 52,818.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,107.66 : 96,744.74 = 38,275.83 : x
  2. Step 2: Convert to fraction form
    70,107.66/96,744.74 = 38,275.83/x
  3. Step 3: Cross multiply
    70,107.66x = 96,744.74 × 38,275.83
  4. Step 4: Simplify right side
    70,107.66x = 3,702,985,030.26
  5. Step 5: Solve for x
    x = 3,702,985,030.26/70,107.66
  6. Step 6: Final answer
    x = 52,818.55

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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.