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Finding the Fourth Proportional to 9,053.69, 13,580.55 and 4,895.66

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Solution

The fourth proportional to 9,053.69, 13,580.55 and 4,895.66 is: 7,343.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,053.69 : 13,580.55 = 4,895.66 : x
  2. Step 2: Convert to fraction form
    9,053.69/13,580.55 = 4,895.66/x
  3. Step 3: Cross multiply
    9,053.69x = 13,580.55 × 4,895.66
  4. Step 4: Simplify right side
    9,053.69x = 66,485,687.51
  5. Step 5: Solve for x
    x = 66,485,687.51/9,053.69
  6. Step 6: Final answer
    x = 7,343.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.