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Finding the Fourth Proportional to 70,003.53, 105,005.67 and 17,413.01

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Solution

The fourth proportional to 70,003.53, 105,005.67 and 17,413.01 is: 26,119.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,003.53 : 105,005.67 = 17,413.01 : x
  2. Step 2: Convert to fraction form
    70,003.53/105,005.67 = 17,413.01/x
  3. Step 3: Cross multiply
    70,003.53x = 105,005.67 × 17,413.01
  4. Step 4: Simplify right side
    70,003.53x = 1,828,464,781.77
  5. Step 5: Solve for x
    x = 1,828,464,781.77/70,003.53
  6. Step 6: Final answer
    x = 26,119.61

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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.