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Finding the Fourth Proportional to 58,232.60, 87,413.70 and 31,988.60

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Solution

The fourth proportional to 58,232.60, 87,413.70 and 31,988.60 is: 48,018.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,232.60 : 87,413.70 = 31,988.60 : x
  2. Step 2: Convert to fraction form
    58,232.60/87,413.70 = 31,988.60/x
  3. Step 3: Cross multiply
    58,232.60x = 87,413.70 × 31,988.60
  4. Step 4: Simplify right side
    58,232.60x = 2,796,241,883.82
  5. Step 5: Solve for x
    x = 2,796,241,883.82/58,232.60
  6. Step 6: Final answer
    x = 48,018.50

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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.