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Finding the Fourth Proportional to 58,472.07, 87,698.98 and 19,028.91

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Solution

The fourth proportional to 58,472.07, 87,698.98 and 19,028.91 is: 28,540.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,472.07 : 87,698.98 = 19,028.91 : x
  2. Step 2: Convert to fraction form
    58,472.07/87,698.98 = 19,028.91/x
  3. Step 3: Cross multiply
    58,472.07x = 87,698.98 × 19,028.91
  4. Step 4: Simplify right side
    58,472.07x = 1,668,815,997.51
  5. Step 5: Solve for x
    x = 1,668,815,997.51/58,472.07
  6. Step 6: Final answer
    x = 28,540.40

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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.