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Finding the Fourth Proportional to 4,973.79, 7,490.30 and 4,332.27

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Solution

The fourth proportional to 4,973.79, 7,490.30 and 4,332.27 is: 6,524.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,973.79 : 7,490.30 = 4,332.27 : x
  2. Step 2: Convert to fraction form
    4,973.79/7,490.30 = 4,332.27/x
  3. Step 3: Cross multiply
    4,973.79x = 7,490.30 × 4,332.27
  4. Step 4: Simplify right side
    4,973.79x = 32,450,012.81
  5. Step 5: Solve for x
    x = 32,450,012.81/4,973.79
  6. Step 6: Final answer
    x = 6,524.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.