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Finding the Fourth Proportional to 7,006.56, 9,673.14 and 4,355.42

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Solution

The fourth proportional to 7,006.56, 9,673.14 and 4,355.42 is: 6,013.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,006.56 : 9,673.14 = 4,355.42 : x
  2. Step 2: Convert to fraction form
    7,006.56/9,673.14 = 4,355.42/x
  3. Step 3: Cross multiply
    7,006.56x = 9,673.14 × 4,355.42
  4. Step 4: Simplify right side
    7,006.56x = 42,130,587.42
  5. Step 5: Solve for x
    x = 42,130,587.42/7,006.56
  6. Step 6: Final answer
    x = 6,013.02

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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.