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Finding the Fourth Proportional to 55,452, 76,525.66 and 30,303.12

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Solution

The fourth proportional to 55,452, 76,525.66 and 30,303.12 is: 41,819.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,452 : 76,525.66 = 30,303.12 : x
  2. Step 2: Convert to fraction form
    55,452/76,525.66 = 30,303.12/x
  3. Step 3: Cross multiply
    55,452x = 76,525.66 × 30,303.12
  4. Step 4: Simplify right side
    55,452x = 2,318,966,258.06
  5. Step 5: Solve for x
    x = 2,318,966,258.06/55,452
  6. Step 6: Final answer
    x = 41,819.34

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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.