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Finding the Fourth Proportional to 63,235.79, 87,277.73 and 40,603.44

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Solution

The fourth proportional to 63,235.79, 87,277.73 and 40,603.44 is: 56,040.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,235.79 : 87,277.73 = 40,603.44 : x
  2. Step 2: Convert to fraction form
    63,235.79/87,277.73 = 40,603.44/x
  3. Step 3: Cross multiply
    63,235.79x = 87,277.73 × 40,603.44
  4. Step 4: Simplify right side
    63,235.79x = 3,543,775,870.37
  5. Step 5: Solve for x
    x = 3,543,775,870.37/63,235.79
  6. Step 6: Final answer
    x = 56,040.67

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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.