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Finding the Fourth Proportional to 58,547.88, 87,835.79 and 19,105.07

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Solution

The fourth proportional to 58,547.88, 87,835.79 and 19,105.07 is: 28,662.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,547.88 : 87,835.79 = 19,105.07 : x
  2. Step 2: Convert to fraction form
    58,547.88/87,835.79 = 19,105.07/x
  3. Step 3: Cross multiply
    58,547.88x = 87,835.79 × 19,105.07
  4. Step 4: Simplify right side
    58,547.88x = 1,678,108,525.04
  5. Step 5: Solve for x
    x = 1,678,108,525.04/58,547.88
  6. Step 6: Final answer
    x = 28,662.16

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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.