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Finding the Fourth Proportional to 6,312.30, 9,472.05 and 4,365.90

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Solution

The fourth proportional to 6,312.30, 9,472.05 and 4,365.90 is: 6,551.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,312.30 : 9,472.05 = 4,365.90 : x
  2. Step 2: Convert to fraction form
    6,312.30/9,472.05 = 4,365.90/x
  3. Step 3: Cross multiply
    6,312.30x = 9,472.05 × 4,365.90
  4. Step 4: Simplify right side
    6,312.30x = 41,354,023.10
  5. Step 5: Solve for x
    x = 41,354,023.10/6,312.30
  6. Step 6: Final answer
    x = 6,551.34

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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.