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Finding the Fourth Proportional to 36,123.60, 50,607.60 and 36,123.60

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Solution

The fourth proportional to 36,123.60, 50,607.60 and 36,123.60 is: 50,607.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,123.60 : 50,607.60 = 36,123.60 : x
  2. Step 2: Convert to fraction form
    36,123.60/50,607.60 = 36,123.60/x
  3. Step 3: Cross multiply
    36,123.60x = 50,607.60 × 36,123.60
  4. Step 4: Simplify right side
    36,123.60x = 1,828,128,699.36
  5. Step 5: Solve for x
    x = 1,828,128,699.36/36,123.60
  6. Step 6: Final answer
    x = 50,607.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.