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Finding the Fourth Proportional to 58,188.99, 87,202.14 and 31,477.32

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Solution

The fourth proportional to 58,188.99, 87,202.14 and 31,477.32 is: 47,171.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,188.99 : 87,202.14 = 31,477.32 : x
  2. Step 2: Convert to fraction form
    58,188.99/87,202.14 = 31,477.32/x
  3. Step 3: Cross multiply
    58,188.99x = 87,202.14 × 31,477.32
  4. Step 4: Simplify right side
    58,188.99x = 2,744,889,665.46
  5. Step 5: Solve for x
    x = 2,744,889,665.46/58,188.99
  6. Step 6: Final answer
    x = 47,171.98

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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.