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Finding the Fourth Proportional to 63,539.70, 87,799.05 and 45,603.60

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Solution

The fourth proportional to 63,539.70, 87,799.05 and 45,603.60 is: 63,014.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,539.70 : 87,799.05 = 45,603.60 : x
  2. Step 2: Convert to fraction form
    63,539.70/87,799.05 = 45,603.60/x
  3. Step 3: Cross multiply
    63,539.70x = 87,799.05 × 45,603.60
  4. Step 4: Simplify right side
    63,539.70x = 4,003,952,756.58
  5. Step 5: Solve for x
    x = 4,003,952,756.58/63,539.70
  6. Step 6: Final answer
    x = 63,014.98

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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.