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Finding the Fourth Proportional to 19,607.76, 27,058.77 and 10,655.28

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Solution

The fourth proportional to 19,607.76, 27,058.77 and 10,655.28 is: 14,704.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,607.76 : 27,058.77 = 10,655.28 : x
  2. Step 2: Convert to fraction form
    19,607.76/27,058.77 = 10,655.28/x
  3. Step 3: Cross multiply
    19,607.76x = 27,058.77 × 10,655.28
  4. Step 4: Simplify right side
    19,607.76x = 288,318,770.81
  5. Step 5: Solve for x
    x = 288,318,770.81/19,607.76
  6. Step 6: Final answer
    x = 14,704.32

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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.