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Finding the Fourth Proportional to 8,886.41, 13,326.53 and 4,943.66

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Solution

The fourth proportional to 8,886.41, 13,326.53 and 4,943.66 is: 7,413.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,886.41 : 13,326.53 = 4,943.66 : x
  2. Step 2: Convert to fraction form
    8,886.41/13,326.53 = 4,943.66/x
  3. Step 3: Cross multiply
    8,886.41x = 13,326.53 × 4,943.66
  4. Step 4: Simplify right side
    8,886.41x = 65,881,779.03
  5. Step 5: Solve for x
    x = 65,881,779.03/8,886.41
  6. Step 6: Final answer
    x = 7,413.77

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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.