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Finding the Fourth Proportional to 59,602.72, 89,413.80 and 20,162.16

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Solution

The fourth proportional to 59,602.72, 89,413.80 and 20,162.16 is: 30,246.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,602.72 : 89,413.80 = 20,162.16 : x
  2. Step 2: Convert to fraction form
    59,602.72/89,413.80 = 20,162.16/x
  3. Step 3: Cross multiply
    59,602.72x = 89,413.80 × 20,162.16
  4. Step 4: Simplify right side
    59,602.72x = 1,802,775,341.81
  5. Step 5: Solve for x
    x = 1,802,775,341.81/59,602.72
  6. Step 6: Final answer
    x = 30,246.53

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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.