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Finding the Fourth Proportional to 6,457.51, 8,911.52 and 3,663.01

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Solution

The fourth proportional to 6,457.51, 8,911.52 and 3,663.01 is: 5,055.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,457.51 : 8,911.52 = 3,663.01 : x
  2. Step 2: Convert to fraction form
    6,457.51/8,911.52 = 3,663.01/x
  3. Step 3: Cross multiply
    6,457.51x = 8,911.52 × 3,663.01
  4. Step 4: Simplify right side
    6,457.51x = 32,642,986.88
  5. Step 5: Solve for x
    x = 32,642,986.88/6,457.51
  6. Step 6: Final answer
    x = 5,055.04

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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.