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Finding the Fourth Proportional to 9,923.68, 14,888.02 and 7,007.68

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Solution

The fourth proportional to 9,923.68, 14,888.02 and 7,007.68 is: 10,513.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,923.68 : 14,888.02 = 7,007.68 : x
  2. Step 2: Convert to fraction form
    9,923.68/14,888.02 = 7,007.68/x
  3. Step 3: Cross multiply
    9,923.68x = 14,888.02 × 7,007.68
  4. Step 4: Simplify right side
    9,923.68x = 104,330,479.99
  5. Step 5: Solve for x
    x = 104,330,479.99/9,923.68
  6. Step 6: Final answer
    x = 10,513.29

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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.