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Finding the Fourth Proportional to 19,605.68, 27,055.06 and 10,652.98

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Solution

The fourth proportional to 19,605.68, 27,055.06 and 10,652.98 is: 14,700.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,605.68 : 27,055.06 = 10,652.98 : x
  2. Step 2: Convert to fraction form
    19,605.68/27,055.06 = 10,652.98/x
  3. Step 3: Cross multiply
    19,605.68x = 27,055.06 × 10,652.98
  4. Step 4: Simplify right side
    19,605.68x = 288,217,013.08
  5. Step 5: Solve for x
    x = 288,217,013.08/19,605.68
  6. Step 6: Final answer
    x = 14,700.69

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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.