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Finding the Fourth Proportional to 9,913.19, 14,684.29 and 9,802.62

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Solution

The fourth proportional to 9,913.19, 14,684.29 and 9,802.62 is: 14,520.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,913.19 : 14,684.29 = 9,802.62 : x
  2. Step 2: Convert to fraction form
    9,913.19/14,684.29 = 9,802.62/x
  3. Step 3: Cross multiply
    9,913.19x = 14,684.29 × 9,802.62
  4. Step 4: Simplify right side
    9,913.19x = 143,944,490.33
  5. Step 5: Solve for x
    x = 143,944,490.33/9,913.19
  6. Step 6: Final answer
    x = 14,520.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.