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Finding the Fourth Proportional to 31,068.32, 46,603.32 and 8,883.68

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Solution

The fourth proportional to 31,068.32, 46,603.32 and 8,883.68 is: 13,325.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,068.32 : 46,603.32 = 8,883.68 : x
  2. Step 2: Convert to fraction form
    31,068.32/46,603.32 = 8,883.68/x
  3. Step 3: Cross multiply
    31,068.32x = 46,603.32 × 8,883.68
  4. Step 4: Simplify right side
    31,068.32x = 414,008,981.82
  5. Step 5: Solve for x
    x = 414,008,981.82/31,068.32
  6. Step 6: Final answer
    x = 13,325.76

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1.5x scale

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.