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Finding the Fourth Proportional to 7,653.25, 10,561.49 and 4,341.25

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Solution

The fourth proportional to 7,653.25, 10,561.49 and 4,341.25 is: 5,990.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,653.25 : 10,561.49 = 4,341.25 : x
  2. Step 2: Convert to fraction form
    7,653.25/10,561.49 = 4,341.25/x
  3. Step 3: Cross multiply
    7,653.25x = 10,561.49 × 4,341.25
  4. Step 4: Simplify right side
    7,653.25x = 45,850,068.46
  5. Step 5: Solve for x
    x = 45,850,068.46/7,653.25
  6. Step 6: Final answer
    x = 5,990.93

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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.