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Finding the Fourth Proportional to 58,291.51, 87,413.14 and 18,297.13

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Solution

The fourth proportional to 58,291.51, 87,413.14 and 18,297.13 is: 27,438.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,291.51 : 87,413.14 = 18,297.13 : x
  2. Step 2: Convert to fraction form
    58,291.51/87,413.14 = 18,297.13/x
  3. Step 3: Cross multiply
    58,291.51x = 87,413.14 × 18,297.13
  4. Step 4: Simplify right side
    58,291.51x = 1,599,409,586.29
  5. Step 5: Solve for x
    x = 1,599,409,586.29/58,291.51
  6. Step 6: Final answer
    x = 27,438.12

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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.