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Finding the Fourth Proportional to 59,673.16, 89,509.74 and 28,413.64

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Solution

The fourth proportional to 59,673.16, 89,509.74 and 28,413.64 is: 42,620.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,673.16 : 89,509.74 = 28,413.64 : x
  2. Step 2: Convert to fraction form
    59,673.16/89,509.74 = 28,413.64/x
  3. Step 3: Cross multiply
    59,673.16x = 89,509.74 × 28,413.64
  4. Step 4: Simplify right side
    59,673.16x = 2,543,297,386.79
  5. Step 5: Solve for x
    x = 2,543,297,386.79/59,673.16
  6. Step 6: Final answer
    x = 42,620.46

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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.