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Finding the Fourth Proportional to 6,498.70, 9,726.45 and 4,554.70

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Solution

The fourth proportional to 6,498.70, 9,726.45 and 4,554.70 is: 6,816.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,498.70 : 9,726.45 = 4,554.70 : x
  2. Step 2: Convert to fraction form
    6,498.70/9,726.45 = 4,554.70/x
  3. Step 3: Cross multiply
    6,498.70x = 9,726.45 × 4,554.70
  4. Step 4: Simplify right side
    6,498.70x = 44,301,061.82
  5. Step 5: Solve for x
    x = 44,301,061.82/6,498.70
  6. Step 6: Final answer
    x = 6,816.91

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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.