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Finding the Fourth Proportional to 58,782.34, 88,179.72 and 19,339.48

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Solution

The fourth proportional to 58,782.34, 88,179.72 and 19,339.48 is: 29,011.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,782.34 : 88,179.72 = 19,339.48 : x
  2. Step 2: Convert to fraction form
    58,782.34/88,179.72 = 19,339.48/x
  3. Step 3: Cross multiply
    58,782.34x = 88,179.72 × 19,339.48
  4. Step 4: Simplify right side
    58,782.34x = 1,705,349,931.35
  5. Step 5: Solve for x
    x = 1,705,349,931.35/58,782.34
  6. Step 6: Final answer
    x = 29,011.26

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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.