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Finding the Fourth Proportional to 58,686.56, 88,011.42 and 19,234.88

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Solution

The fourth proportional to 58,686.56, 88,011.42 and 19,234.88 is: 28,846.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,686.56 : 88,011.42 = 19,234.88 : x
  2. Step 2: Convert to fraction form
    58,686.56/88,011.42 = 19,234.88/x
  3. Step 3: Cross multiply
    58,686.56x = 88,011.42 × 19,234.88
  4. Step 4: Simplify right side
    58,686.56x = 1,692,889,102.33
  5. Step 5: Solve for x
    x = 1,692,889,102.33/58,686.56
  6. Step 6: Final answer
    x = 28,846.28

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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.