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Finding the Fourth Proportional to 6,123.65, 8,453.16 and 4,632.03

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Solution

The fourth proportional to 6,123.65, 8,453.16 and 4,632.03 is: 6,394.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,123.65 : 8,453.16 = 4,632.03 : x
  2. Step 2: Convert to fraction form
    6,123.65/8,453.16 = 4,632.03/x
  3. Step 3: Cross multiply
    6,123.65x = 8,453.16 × 4,632.03
  4. Step 4: Simplify right side
    6,123.65x = 39,155,290.71
  5. Step 5: Solve for x
    x = 39,155,290.71/6,123.65
  6. Step 6: Final answer
    x = 6,394.12

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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.