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Finding the Fourth Proportional to 70,924.66, 106,402.79 and 30,950.10

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Solution

The fourth proportional to 70,924.66, 106,402.79 and 30,950.10 is: 46,432.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,924.66 : 106,402.79 = 30,950.10 : x
  2. Step 2: Convert to fraction form
    70,924.66/106,402.79 = 30,950.10/x
  3. Step 3: Cross multiply
    70,924.66x = 106,402.79 × 30,950.10
  4. Step 4: Simplify right side
    70,924.66x = 3,293,177,068.15
  5. Step 5: Solve for x
    x = 3,293,177,068.15/70,924.66
  6. Step 6: Final answer
    x = 46,432.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.