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Finding the Fourth Proportional to 58,605.42, 87,894.74 and 26,985.18

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Solution

The fourth proportional to 58,605.42, 87,894.74 and 26,985.18 is: 40,471.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,605.42 : 87,894.74 = 26,985.18 : x
  2. Step 2: Convert to fraction form
    58,605.42/87,894.74 = 26,985.18/x
  3. Step 3: Cross multiply
    58,605.42x = 87,894.74 × 26,985.18
  4. Step 4: Simplify right side
    58,605.42x = 2,371,855,379.95
  5. Step 5: Solve for x
    x = 2,371,855,379.95/58,605.42
  6. Step 6: Final answer
    x = 40,471.60

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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.