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Finding the Fourth Proportional to 70,350.15, 105,486.95 and 25,365.38

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Solution

The fourth proportional to 70,350.15, 105,486.95 and 25,365.38 is: 38,034.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,350.15 : 105,486.95 = 25,365.38 : x
  2. Step 2: Convert to fraction form
    70,350.15/105,486.95 = 25,365.38/x
  3. Step 3: Cross multiply
    70,350.15x = 105,486.95 × 25,365.38
  4. Step 4: Simplify right side
    70,350.15x = 2,675,716,444.96
  5. Step 5: Solve for x
    x = 2,675,716,444.96/70,350.15
  6. Step 6: Final answer
    x = 38,034.27

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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.