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Finding the Fourth Proportional to 4,807.58, 6,632.08 and 4,143.29

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Solution

The fourth proportional to 4,807.58, 6,632.08 and 4,143.29 is: 5,715.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,807.58 : 6,632.08 = 4,143.29 : x
  2. Step 2: Convert to fraction form
    4,807.58/6,632.08 = 4,143.29/x
  3. Step 3: Cross multiply
    4,807.58x = 6,632.08 × 4,143.29
  4. Step 4: Simplify right side
    4,807.58x = 27,478,587.22
  5. Step 5: Solve for x
    x = 27,478,587.22/4,807.58
  6. Step 6: Final answer
    x = 5,715.69

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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.