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Finding the Fourth Proportional to 7,068.65, 9,754.65 and 4,084.47

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Solution

The fourth proportional to 7,068.65, 9,754.65 and 4,084.47 is: 5,636.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,068.65 : 9,754.65 = 4,084.47 : x
  2. Step 2: Convert to fraction form
    7,068.65/9,754.65 = 4,084.47/x
  3. Step 3: Cross multiply
    7,068.65x = 9,754.65 × 4,084.47
  4. Step 4: Simplify right side
    7,068.65x = 39,842,575.29
  5. Step 5: Solve for x
    x = 39,842,575.29/7,068.65
  6. Step 6: Final answer
    x = 5,636.52

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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.