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Finding the Fourth Proportional to 55,557.60, 83,271.60 and 22,261.20

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Solution

The fourth proportional to 55,557.60, 83,271.60 and 22,261.20 is: 33,365.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,557.60 : 83,271.60 = 22,261.20 : x
  2. Step 2: Convert to fraction form
    55,557.60/83,271.60 = 22,261.20/x
  3. Step 3: Cross multiply
    55,557.60x = 83,271.60 × 22,261.20
  4. Step 4: Simplify right side
    55,557.60x = 1,853,725,741.92
  5. Step 5: Solve for x
    x = 1,853,725,741.92/55,557.60
  6. Step 6: Final answer
    x = 33,365.84

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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.