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Finding the Fourth Proportional to 17,666.27, 26,498.95 and 4,339.40

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Solution

The fourth proportional to 17,666.27, 26,498.95 and 4,339.40 is: 6,508.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,666.27 : 26,498.95 = 4,339.40 : x
  2. Step 2: Convert to fraction form
    17,666.27/26,498.95 = 4,339.40/x
  3. Step 3: Cross multiply
    17,666.27x = 26,498.95 × 4,339.40
  4. Step 4: Simplify right side
    17,666.27x = 114,989,400.29
  5. Step 5: Solve for x
    x = 114,989,400.29/17,666.27
  6. Step 6: Final answer
    x = 6,508.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.