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Finding the Fourth Proportional to 12,368.31, 17,068.31 and 6,703.13

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Solution

The fourth proportional to 12,368.31, 17,068.31 and 6,703.13 is: 9,250.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,368.31 : 17,068.31 = 6,703.13 : x
  2. Step 2: Convert to fraction form
    12,368.31/17,068.31 = 6,703.13/x
  3. Step 3: Cross multiply
    12,368.31x = 17,068.31 × 6,703.13
  4. Step 4: Simplify right side
    12,368.31x = 114,410,981.95
  5. Step 5: Solve for x
    x = 114,410,981.95/12,368.31
  6. Step 6: Final answer
    x = 9,250.33

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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.