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Finding the Fourth Proportional to 4,907.93, 7,389.53 and 4,326.67

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Solution

The fourth proportional to 4,907.93, 7,389.53 and 4,326.67 is: 6,514.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,907.93 : 7,389.53 = 4,326.67 : x
  2. Step 2: Convert to fraction form
    4,907.93/7,389.53 = 4,326.67/x
  3. Step 3: Cross multiply
    4,907.93x = 7,389.53 × 4,326.67
  4. Step 4: Simplify right side
    4,907.93x = 31,972,050.11
  5. Step 5: Solve for x
    x = 31,972,050.11/4,907.93
  6. Step 6: Final answer
    x = 6,514.36

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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.