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Finding the Fourth Proportional to 9,888.99, 14,833.53 and 6,578.42

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Solution

The fourth proportional to 9,888.99, 14,833.53 and 6,578.42 is: 9,867.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,888.99 : 14,833.53 = 6,578.42 : x
  2. Step 2: Convert to fraction form
    9,888.99/14,833.53 = 6,578.42/x
  3. Step 3: Cross multiply
    9,888.99x = 14,833.53 × 6,578.42
  4. Step 4: Simplify right side
    9,888.99x = 97,581,116.25
  5. Step 5: Solve for x
    x = 97,581,116.25/9,888.99
  6. Step 6: Final answer
    x = 9,867.66

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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.