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Finding the Fourth Proportional to 70,225.42, 105,348.64 and 25,848.80

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Solution

The fourth proportional to 70,225.42, 105,348.64 and 25,848.80 is: 38,777.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,225.42 : 105,348.64 = 25,848.80 : x
  2. Step 2: Convert to fraction form
    70,225.42/105,348.64 = 25,848.80/x
  3. Step 3: Cross multiply
    70,225.42x = 105,348.64 × 25,848.80
  4. Step 4: Simplify right side
    70,225.42x = 2,723,135,301.96
  5. Step 5: Solve for x
    x = 2,723,135,301.96/70,225.42
  6. Step 6: Final answer
    x = 38,777.06

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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.