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Finding the Fourth Proportional to 6,869.89, 9,454.35 and 6,574.69

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Solution

The fourth proportional to 6,869.89, 9,454.35 and 6,574.69 is: 9,048.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,869.89 : 9,454.35 = 6,574.69 : x
  2. Step 2: Convert to fraction form
    6,869.89/9,454.35 = 6,574.69/x
  3. Step 3: Cross multiply
    6,869.89x = 9,454.35 × 6,574.69
  4. Step 4: Simplify right side
    6,869.89x = 62,159,420.40
  5. Step 5: Solve for x
    x = 62,159,420.40/6,869.89
  6. Step 6: Final answer
    x = 9,048.10

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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.