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Finding the Fourth Proportional to 58,461.74, 87,695.75 and 18,477.69

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Solution

The fourth proportional to 58,461.74, 87,695.75 and 18,477.69 is: 27,717.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,461.74 : 87,695.75 = 18,477.69 : x
  2. Step 2: Convert to fraction form
    58,461.74/87,695.75 = 18,477.69/x
  3. Step 3: Cross multiply
    58,461.74x = 87,695.75 × 18,477.69
  4. Step 4: Simplify right side
    58,461.74x = 1,620,414,882.82
  5. Step 5: Solve for x
    x = 1,620,414,882.82/58,461.74
  6. Step 6: Final answer
    x = 27,717.53

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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.