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Finding the Fourth Proportional to 53,424.63, 74,063.15 and 50,580.63

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Solution

The fourth proportional to 53,424.63, 74,063.15 and 50,580.63 is: 70,120.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,424.63 : 74,063.15 = 50,580.63 : x
  2. Step 2: Convert to fraction form
    53,424.63/74,063.15 = 50,580.63/x
  3. Step 3: Cross multiply
    53,424.63x = 74,063.15 × 50,580.63
  4. Step 4: Simplify right side
    53,424.63x = 3,746,160,533.88
  5. Step 5: Solve for x
    x = 3,746,160,533.88/53,424.63
  6. Step 6: Final answer
    x = 70,120.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.