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Finding the Fourth Proportional to 58,894.86, 88,329.60 and 19,442.64

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Solution

The fourth proportional to 58,894.86, 88,329.60 and 19,442.64 is: 29,159.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,894.86 : 88,329.60 = 19,442.64 : x
  2. Step 2: Convert to fraction form
    58,894.86/88,329.60 = 19,442.64/x
  3. Step 3: Cross multiply
    58,894.86x = 88,329.60 × 19,442.64
  4. Step 4: Simplify right side
    58,894.86x = 1,717,360,614.14
  5. Step 5: Solve for x
    x = 1,717,360,614.14/58,894.86
  6. Step 6: Final answer
    x = 29,159.77

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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.