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Finding the Fourth Proportional to 9,810.94, 14,722.62 and 8,888.36

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Solution

The fourth proportional to 9,810.94, 14,722.62 and 8,888.36 is: 13,338.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,810.94 : 14,722.62 = 8,888.36 : x
  2. Step 2: Convert to fraction form
    9,810.94/14,722.62 = 8,888.36/x
  3. Step 3: Cross multiply
    9,810.94x = 14,722.62 × 8,888.36
  4. Step 4: Simplify right side
    9,810.94x = 130,859,946.70
  5. Step 5: Solve for x
    x = 130,859,946.70/9,810.94
  6. Step 6: Final answer
    x = 13,338.17

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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.