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Finding the Fourth Proportional to 9,826.74, 14,728.50 and 9,717.12

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Solution

The fourth proportional to 9,826.74, 14,728.50 and 9,717.12 is: 14,564.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,826.74 : 14,728.50 = 9,717.12 : x
  2. Step 2: Convert to fraction form
    9,826.74/14,728.50 = 9,717.12/x
  3. Step 3: Cross multiply
    9,826.74x = 14,728.50 × 9,717.12
  4. Step 4: Simplify right side
    9,826.74x = 143,118,516.51
  5. Step 5: Solve for x
    x = 143,118,516.51/9,826.74
  6. Step 6: Final answer
    x = 14,564.19

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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.