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Finding the Fourth Proportional to 56,952, 85,352.94 and 49,521.06

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Solution

The fourth proportional to 56,952, 85,352.94 and 49,521.06 is: 74,216.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,952 : 85,352.94 = 49,521.06 : x
  2. Step 2: Convert to fraction form
    56,952/85,352.94 = 49,521.06/x
  3. Step 3: Cross multiply
    56,952x = 85,352.94 × 49,521.06
  4. Step 4: Simplify right side
    56,952x = 4,226,768,062.92
  5. Step 5: Solve for x
    x = 4,226,768,062.92/56,952
  6. Step 6: Final answer
    x = 74,216.32

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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.