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Finding the Fourth Proportional to 59,673.42, 89,510.10 and 28,413.90

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Solution

The fourth proportional to 59,673.42, 89,510.10 and 28,413.90 is: 42,620.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,673.42 : 89,510.10 = 28,413.90 : x
  2. Step 2: Convert to fraction form
    59,673.42/89,510.10 = 28,413.90/x
  3. Step 3: Cross multiply
    59,673.42x = 89,510.10 × 28,413.90
  4. Step 4: Simplify right side
    59,673.42x = 2,543,331,030.39
  5. Step 5: Solve for x
    x = 2,543,331,030.39/59,673.42
  6. Step 6: Final answer
    x = 42,620.84

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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.