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Finding the Fourth Proportional to 12,368.82, 17,068.98 and 6,703.62

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Solution

The fourth proportional to 12,368.82, 17,068.98 and 6,703.62 is: 9,251.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,368.82 : 17,068.98 = 6,703.62 : x
  2. Step 2: Convert to fraction form
    12,368.82/17,068.98 = 6,703.62/x
  3. Step 3: Cross multiply
    12,368.82x = 17,068.98 × 6,703.62
  4. Step 4: Simplify right side
    12,368.82x = 114,423,955.71
  5. Step 5: Solve for x
    x = 114,423,955.71/12,368.82
  6. Step 6: Final answer
    x = 9,251.00

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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.