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Finding the Fourth Proportional to 73,605.60, 101,577.60 and 45,316.80

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Solution

The fourth proportional to 73,605.60, 101,577.60 and 45,316.80 is: 62,538.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,605.60 : 101,577.60 = 45,316.80 : x
  2. Step 2: Convert to fraction form
    73,605.60/101,577.60 = 45,316.80/x
  3. Step 3: Cross multiply
    73,605.60x = 101,577.60 × 45,316.80
  4. Step 4: Simplify right side
    73,605.60x = 4,603,171,783.68
  5. Step 5: Solve for x
    x = 4,603,171,783.68/73,605.60
  6. Step 6: Final answer
    x = 62,538.34

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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.