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Finding the Fourth Proportional to 10,089.01, 13,914.54 and 8,955.51

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Solution

The fourth proportional to 10,089.01, 13,914.54 and 8,955.51 is: 12,351.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,089.01 : 13,914.54 = 8,955.51 : x
  2. Step 2: Convert to fraction form
    10,089.01/13,914.54 = 8,955.51/x
  3. Step 3: Cross multiply
    10,089.01x = 13,914.54 × 8,955.51
  4. Step 4: Simplify right side
    10,089.01x = 124,611,802.12
  5. Step 5: Solve for x
    x = 124,611,802.12/10,089.01
  6. Step 6: Final answer
    x = 12,351.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.