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Finding the Fourth Proportional to 30,588.66, 45,885.15 and 13,060.98

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Solution

The fourth proportional to 30,588.66, 45,885.15 and 13,060.98 is: 19,592.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,588.66 : 45,885.15 = 13,060.98 : x
  2. Step 2: Convert to fraction form
    30,588.66/45,885.15 = 13,060.98/x
  3. Step 3: Cross multiply
    30,588.66x = 45,885.15 × 13,060.98
  4. Step 4: Simplify right side
    30,588.66x = 599,305,026.45
  5. Step 5: Solve for x
    x = 599,305,026.45/30,588.66
  6. Step 6: Final answer
    x = 19,592.39

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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.