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Finding the Fourth Proportional to 56,784.98, 85,252.84 and 48,518.12

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Solution

The fourth proportional to 56,784.98, 85,252.84 and 48,518.12 is: 72,841.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,784.98 : 85,252.84 = 48,518.12 : x
  2. Step 2: Convert to fraction form
    56,784.98/85,252.84 = 48,518.12/x
  3. Step 3: Cross multiply
    56,784.98x = 85,252.84 × 48,518.12
  4. Step 4: Simplify right side
    56,784.98x = 4,136,307,521.46
  5. Step 5: Solve for x
    x = 4,136,307,521.46/56,784.98
  6. Step 6: Final answer
    x = 72,841.58

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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.