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Finding the Fourth Proportional to 10,790.51, 14,895.51 and 7,255.77

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Solution

The fourth proportional to 10,790.51, 14,895.51 and 7,255.77 is: 10,016.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,790.51 : 14,895.51 = 7,255.77 : x
  2. Step 2: Convert to fraction form
    10,790.51/14,895.51 = 7,255.77/x
  3. Step 3: Cross multiply
    10,790.51x = 14,895.51 × 7,255.77
  4. Step 4: Simplify right side
    10,790.51x = 108,078,358.31
  5. Step 5: Solve for x
    x = 108,078,358.31/10,790.51
  6. Step 6: Final answer
    x = 10,016.06

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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.