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Finding the Fourth Proportional to 6,470.61, 8,926.91 and 3,637.34

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Solution

The fourth proportional to 6,470.61, 8,926.91 and 3,637.34 is: 5,018.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,470.61 : 8,926.91 = 3,637.34 : x
  2. Step 2: Convert to fraction form
    6,470.61/8,926.91 = 3,637.34/x
  3. Step 3: Cross multiply
    6,470.61x = 8,926.91 × 3,637.34
  4. Step 4: Simplify right side
    6,470.61x = 32,470,144.00
  5. Step 5: Solve for x
    x = 32,470,144.00/6,470.61
  6. Step 6: Final answer
    x = 5,018.10

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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.