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Finding the Fourth Proportional to 53,590.06, 73,978.68 and 34,478.92

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Solution

The fourth proportional to 53,590.06, 73,978.68 and 34,478.92 is: 47,596.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,590.06 : 73,978.68 = 34,478.92 : x
  2. Step 2: Convert to fraction form
    53,590.06/73,978.68 = 34,478.92/x
  3. Step 3: Cross multiply
    53,590.06x = 73,978.68 × 34,478.92
  4. Step 4: Simplify right side
    53,590.06x = 2,550,704,989.43
  5. Step 5: Solve for x
    x = 2,550,704,989.43/53,590.06
  6. Step 6: Final answer
    x = 47,596.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.