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Finding the Fourth Proportional to 10,755.51, 14,845.58 and 7,569.51

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Solution

The fourth proportional to 10,755.51, 14,845.58 and 7,569.51 is: 10,448.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,755.51 : 14,845.58 = 7,569.51 : x
  2. Step 2: Convert to fraction form
    10,755.51/14,845.58 = 7,569.51/x
  3. Step 3: Cross multiply
    10,755.51x = 14,845.58 × 7,569.51
  4. Step 4: Simplify right side
    10,755.51x = 112,373,766.27
  5. Step 5: Solve for x
    x = 112,373,766.27/10,755.51
  6. Step 6: Final answer
    x = 10,448.02

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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.