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Finding the Fourth Proportional to 58,009.80, 87,014.70 and 57,232.20

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Solution

The fourth proportional to 58,009.80, 87,014.70 and 57,232.20 is: 85,848.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,009.80 : 87,014.70 = 57,232.20 : x
  2. Step 2: Convert to fraction form
    58,009.80/87,014.70 = 57,232.20/x
  3. Step 3: Cross multiply
    58,009.80x = 87,014.70 × 57,232.20
  4. Step 4: Simplify right side
    58,009.80x = 4,980,042,713.34
  5. Step 5: Solve for x
    x = 4,980,042,713.34/58,009.80
  6. Step 6: Final answer
    x = 85,848.30

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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.