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Finding the Fourth Proportional to 70,589.64, 105,881.04 and 26,225.04

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Solution

The fourth proportional to 70,589.64, 105,881.04 and 26,225.04 is: 39,336.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,589.64 : 105,881.04 = 26,225.04 : x
  2. Step 2: Convert to fraction form
    70,589.64/105,881.04 = 26,225.04/x
  3. Step 3: Cross multiply
    70,589.64x = 105,881.04 × 26,225.04
  4. Step 4: Simplify right side
    70,589.64x = 2,776,734,509.24
  5. Step 5: Solve for x
    x = 2,776,734,509.24/70,589.64
  6. Step 6: Final answer
    x = 39,336.29

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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.