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Finding the Fourth Proportional to 39,672.98, 59,467.95 and 13,368.63

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Solution

The fourth proportional to 39,672.98, 59,467.95 and 13,368.63 is: 20,038.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,672.98 : 59,467.95 = 13,368.63 : x
  2. Step 2: Convert to fraction form
    39,672.98/59,467.95 = 13,368.63/x
  3. Step 3: Cross multiply
    39,672.98x = 59,467.95 × 13,368.63
  4. Step 4: Simplify right side
    39,672.98x = 795,005,020.41
  5. Step 5: Solve for x
    x = 795,005,020.41/39,672.98
  6. Step 6: Final answer
    x = 20,038.96

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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.