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Finding the Fourth Proportional to 12,655.83, 17,464.01 and 7,277.99

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Solution

The fourth proportional to 12,655.83, 17,464.01 and 7,277.99 is: 10,043.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,655.83 : 17,464.01 = 7,277.99 : x
  2. Step 2: Convert to fraction form
    12,655.83/17,464.01 = 7,277.99/x
  3. Step 3: Cross multiply
    12,655.83x = 17,464.01 × 7,277.99
  4. Step 4: Simplify right side
    12,655.83x = 127,102,897.41
  5. Step 5: Solve for x
    x = 127,102,897.41/12,655.83
  6. Step 6: Final answer
    x = 10,043.03

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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.