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Finding the Fourth Proportional to 6,875.37, 9,490.29 and 4,891.68

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Solution

The fourth proportional to 6,875.37, 9,490.29 and 4,891.68 is: 6,752.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,875.37 : 9,490.29 = 4,891.68 : x
  2. Step 2: Convert to fraction form
    6,875.37/9,490.29 = 4,891.68/x
  3. Step 3: Cross multiply
    6,875.37x = 9,490.29 × 4,891.68
  4. Step 4: Simplify right side
    6,875.37x = 46,423,461.79
  5. Step 5: Solve for x
    x = 46,423,461.79/6,875.37
  6. Step 6: Final answer
    x = 6,752.14

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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.