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Finding the Fourth Proportional to 58,580.36, 87,870.51 and 23,520

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Solution

The fourth proportional to 58,580.36, 87,870.51 and 23,520 is: 35,279.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,580.36 : 87,870.51 = 23,520 : x
  2. Step 2: Convert to fraction form
    58,580.36/87,870.51 = 23,520/x
  3. Step 3: Cross multiply
    58,580.36x = 87,870.51 × 23,520
  4. Step 4: Simplify right side
    58,580.36x = 2,066,714,395.20
  5. Step 5: Solve for x
    x = 2,066,714,395.20/58,580.36
  6. Step 6: Final answer
    x = 35,279.99

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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.