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Finding the Fourth Proportional to 55,477.52, 83,215.52 and 13,924.56

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Solution

The fourth proportional to 55,477.52, 83,215.52 and 13,924.56 is: 20,886.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,477.52 : 83,215.52 = 13,924.56 : x
  2. Step 2: Convert to fraction form
    55,477.52/83,215.52 = 13,924.56/x
  3. Step 3: Cross multiply
    55,477.52x = 83,215.52 × 13,924.56
  4. Step 4: Simplify right side
    55,477.52x = 1,158,739,501.17
  5. Step 5: Solve for x
    x = 1,158,739,501.17/55,477.52
  6. Step 6: Final answer
    x = 20,886.65

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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.