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Finding the Fourth Proportional to 56,310.77, 84,407.84 and 46,345.34

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Solution

The fourth proportional to 56,310.77, 84,407.84 and 46,345.34 is: 69,470.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,310.77 : 84,407.84 = 46,345.34 : x
  2. Step 2: Convert to fraction form
    56,310.77/84,407.84 = 46,345.34/x
  3. Step 3: Cross multiply
    56,310.77x = 84,407.84 × 46,345.34
  4. Step 4: Simplify right side
    56,310.77x = 3,911,910,196.55
  5. Step 5: Solve for x
    x = 3,911,910,196.55/56,310.77
  6. Step 6: Final answer
    x = 69,470.01

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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.