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Finding the Fourth Proportional to 10,653.44, 15,986.60 and 4,413.60

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Solution

The fourth proportional to 10,653.44, 15,986.60 and 4,413.60 is: 6,623.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,653.44 : 15,986.60 = 4,413.60 : x
  2. Step 2: Convert to fraction form
    10,653.44/15,986.60 = 4,413.60/x
  3. Step 3: Cross multiply
    10,653.44x = 15,986.60 × 4,413.60
  4. Step 4: Simplify right side
    10,653.44x = 70,558,457.76
  5. Step 5: Solve for x
    x = 70,558,457.76/10,653.44
  6. Step 6: Final answer
    x = 6,623.07

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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.