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Finding the Fourth Proportional to 70,349.93, 105,486.62 and 25,365.17

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Solution

The fourth proportional to 70,349.93, 105,486.62 and 25,365.17 is: 38,033.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,349.93 : 105,486.62 = 25,365.17 : x
  2. Step 2: Convert to fraction form
    70,349.93/105,486.62 = 25,365.17/x
  3. Step 3: Cross multiply
    70,349.93x = 105,486.62 × 25,365.17
  4. Step 4: Simplify right side
    70,349.93x = 2,675,685,394.77
  5. Step 5: Solve for x
    x = 2,675,685,394.77/70,349.93
  6. Step 6: Final answer
    x = 38,033.95

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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.