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Finding the Fourth Proportional to 10,792.48, 14,893.88 and 7,066.48

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Solution

The fourth proportional to 10,792.48, 14,893.88 and 7,066.48 is: 9,751.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,792.48 : 14,893.88 = 7,066.48 : x
  2. Step 2: Convert to fraction form
    10,792.48/14,893.88 = 7,066.48/x
  3. Step 3: Cross multiply
    10,792.48x = 14,893.88 × 7,066.48
  4. Step 4: Simplify right side
    10,792.48x = 105,247,305.14
  5. Step 5: Solve for x
    x = 105,247,305.14/10,792.48
  6. Step 6: Final answer
    x = 9,751.91

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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.