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Finding the Fourth Proportional to 12,070.95, 16,910.85 and 12,070.95

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Solution

The fourth proportional to 12,070.95, 16,910.85 and 12,070.95 is: 16,910.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,070.95 : 16,910.85 = 12,070.95 : x
  2. Step 2: Convert to fraction form
    12,070.95/16,910.85 = 12,070.95/x
  3. Step 3: Cross multiply
    12,070.95x = 16,910.85 × 12,070.95
  4. Step 4: Simplify right side
    12,070.95x = 204,130,024.81
  5. Step 5: Solve for x
    x = 204,130,024.81/12,070.95
  6. Step 6: Final answer
    x = 16,910.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.