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Finding the Fourth Proportional to 58,486.83, 87,685.52 and 48,460.79

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Solution

The fourth proportional to 58,486.83, 87,685.52 and 48,460.79 is: 72,654.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,486.83 : 87,685.52 = 48,460.79 : x
  2. Step 2: Convert to fraction form
    58,486.83/87,685.52 = 48,460.79/x
  3. Step 3: Cross multiply
    58,486.83x = 87,685.52 × 48,460.79
  4. Step 4: Simplify right side
    58,486.83x = 4,249,308,890.03
  5. Step 5: Solve for x
    x = 4,249,308,890.03/58,486.83
  6. Step 6: Final answer
    x = 72,654.12

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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.