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Finding the Fourth Proportional to 4,672.86, 7,004.55 and 3,030.45

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Solution

The fourth proportional to 4,672.86, 7,004.55 and 3,030.45 is: 4,542.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,672.86 : 7,004.55 = 3,030.45 : x
  2. Step 2: Convert to fraction form
    4,672.86/7,004.55 = 3,030.45/x
  3. Step 3: Cross multiply
    4,672.86x = 7,004.55 × 3,030.45
  4. Step 4: Simplify right side
    4,672.86x = 21,226,938.55
  5. Step 5: Solve for x
    x = 21,226,938.55/4,672.86
  6. Step 6: Final answer
    x = 4,542.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.