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Finding the Fourth Proportional to 4,582.55, 6,830.07 and 4,448.90

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Solution

The fourth proportional to 4,582.55, 6,830.07 and 4,448.90 is: 6,630.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,582.55 : 6,830.07 = 4,448.90 : x
  2. Step 2: Convert to fraction form
    4,582.55/6,830.07 = 4,448.90/x
  3. Step 3: Cross multiply
    4,582.55x = 6,830.07 × 4,448.90
  4. Step 4: Simplify right side
    4,582.55x = 30,386,298.42
  5. Step 5: Solve for x
    x = 30,386,298.42/4,582.55
  6. Step 6: Final answer
    x = 6,630.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.