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Finding the Fourth Proportional to 19,079.79, 26,332.79 and 10,583.80

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Solution

The fourth proportional to 19,079.79, 26,332.79 and 10,583.80 is: 14,607.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,079.79 : 26,332.79 = 10,583.80 : x
  2. Step 2: Convert to fraction form
    19,079.79/26,332.79 = 10,583.80/x
  3. Step 3: Cross multiply
    19,079.79x = 26,332.79 × 10,583.80
  4. Step 4: Simplify right side
    19,079.79x = 278,700,982.80
  5. Step 5: Solve for x
    x = 278,700,982.80/19,079.79
  6. Step 6: Final answer
    x = 14,607.13

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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.