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Finding the Fourth Proportional to 6,457.32, 8,913.81 and 4,364.28

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Solution

The fourth proportional to 6,457.32, 8,913.81 and 4,364.28 is: 6,024.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,457.32 : 8,913.81 = 4,364.28 : x
  2. Step 2: Convert to fraction form
    6,457.32/8,913.81 = 4,364.28/x
  3. Step 3: Cross multiply
    6,457.32x = 8,913.81 × 4,364.28
  4. Step 4: Simplify right side
    6,457.32x = 38,902,362.71
  5. Step 5: Solve for x
    x = 38,902,362.71/6,457.32
  6. Step 6: Final answer
    x = 6,024.54

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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.