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Finding the Fourth Proportional to 58,170.70, 87,256.05 and 23,110.30

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Solution

The fourth proportional to 58,170.70, 87,256.05 and 23,110.30 is: 34,665.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,170.70 : 87,256.05 = 23,110.30 : x
  2. Step 2: Convert to fraction form
    58,170.70/87,256.05 = 23,110.30/x
  3. Step 3: Cross multiply
    58,170.70x = 87,256.05 × 23,110.30
  4. Step 4: Simplify right side
    58,170.70x = 2,016,513,492.32
  5. Step 5: Solve for x
    x = 2,016,513,492.32/58,170.70
  6. Step 6: Final answer
    x = 34,665.45

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Similar ratio
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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.