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Finding the Fourth Proportional to 12,477.01, 17,218.29 and 6,888.01

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Solution

The fourth proportional to 12,477.01, 17,218.29 and 6,888.01 is: 9,505.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,477.01 : 17,218.29 = 6,888.01 : x
  2. Step 2: Convert to fraction form
    12,477.01/17,218.29 = 6,888.01/x
  3. Step 3: Cross multiply
    12,477.01x = 17,218.29 × 6,888.01
  4. Step 4: Simplify right side
    12,477.01x = 118,599,753.70
  5. Step 5: Solve for x
    x = 118,599,753.70/12,477.01
  6. Step 6: Final answer
    x = 9,505.46

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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.