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Finding the Fourth Proportional to 9,703.79, 14,561.19 and 5,261.58

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Solution

The fourth proportional to 9,703.79, 14,561.19 and 5,261.58 is: 7,895.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,703.79 : 14,561.19 = 5,261.58 : x
  2. Step 2: Convert to fraction form
    9,703.79/14,561.19 = 5,261.58/x
  3. Step 3: Cross multiply
    9,703.79x = 14,561.19 × 5,261.58
  4. Step 4: Simplify right side
    9,703.79x = 76,614,866.08
  5. Step 5: Solve for x
    x = 76,614,866.08/9,703.79
  6. Step 6: Final answer
    x = 7,895.36

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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.