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Finding the Fourth Proportional to 58,994.40, 88,476.12 and 40,270.98

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Solution

The fourth proportional to 58,994.40, 88,476.12 and 40,270.98 is: 60,395.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,994.40 : 88,476.12 = 40,270.98 : x
  2. Step 2: Convert to fraction form
    58,994.40/88,476.12 = 40,270.98/x
  3. Step 3: Cross multiply
    58,994.40x = 88,476.12 × 40,270.98
  4. Step 4: Simplify right side
    58,994.40x = 3,563,020,059.00
  5. Step 5: Solve for x
    x = 3,563,020,059.00/58,994.40
  6. Step 6: Final answer
    x = 60,395.90

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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.