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Finding the Fourth Proportional to 70,103.67, 105,152.01 and 25,726.93

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Solution

The fourth proportional to 70,103.67, 105,152.01 and 25,726.93 is: 38,589.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,103.67 : 105,152.01 = 25,726.93 : x
  2. Step 2: Convert to fraction form
    70,103.67/105,152.01 = 25,726.93/x
  3. Step 3: Cross multiply
    70,103.67x = 105,152.01 × 25,726.93
  4. Step 4: Simplify right side
    70,103.67x = 2,705,238,532.07
  5. Step 5: Solve for x
    x = 2,705,238,532.07/70,103.67
  6. Step 6: Final answer
    x = 38,589.11

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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.