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Finding the Fourth Proportional to 58,127, 87,191.30 and 16,574

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Solution

The fourth proportional to 58,127, 87,191.30 and 16,574 is: 24,861.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,127 : 87,191.30 = 16,574 : x
  2. Step 2: Convert to fraction form
    58,127/87,191.30 = 16,574/x
  3. Step 3: Cross multiply
    58,127x = 87,191.30 × 16,574
  4. Step 4: Simplify right side
    58,127x = 1,445,108,606.20
  5. Step 5: Solve for x
    x = 1,445,108,606.20/58,127
  6. Step 6: Final answer
    x = 24,861.23

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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.