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Finding the Fourth Proportional to 12,006.99, 16,570.58 and 6,702.60

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Solution

The fourth proportional to 12,006.99, 16,570.58 and 6,702.60 is: 9,250.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,006.99 : 16,570.58 = 6,702.60 : x
  2. Step 2: Convert to fraction form
    12,006.99/16,570.58 = 6,702.60/x
  3. Step 3: Cross multiply
    12,006.99x = 16,570.58 × 6,702.60
  4. Step 4: Simplify right side
    12,006.99x = 111,065,969.51
  5. Step 5: Solve for x
    x = 111,065,969.51/12,006.99
  6. Step 6: Final answer
    x = 9,250.11

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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.