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Finding the Fourth Proportional to 58,611.36, 87,931.44 and 17,058.72

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Solution

The fourth proportional to 58,611.36, 87,931.44 and 17,058.72 is: 25,592.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,611.36 : 87,931.44 = 17,058.72 : x
  2. Step 2: Convert to fraction form
    58,611.36/87,931.44 = 17,058.72/x
  3. Step 3: Cross multiply
    58,611.36x = 87,931.44 × 17,058.72
  4. Step 4: Simplify right side
    58,611.36x = 1,499,997,814.16
  5. Step 5: Solve for x
    x = 1,499,997,814.16/58,611.36
  6. Step 6: Final answer
    x = 25,592.27

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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.