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Finding the Fourth Proportional to 3,570.46, 5,355.70 and 973.42

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Solution

The fourth proportional to 3,570.46, 5,355.70 and 973.42 is: 1,460.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,570.46 : 5,355.70 = 973.42 : x
  2. Step 2: Convert to fraction form
    3,570.46/5,355.70 = 973.42/x
  3. Step 3: Cross multiply
    3,570.46x = 5,355.70 × 973.42
  4. Step 4: Simplify right side
    3,570.46x = 5,213,345.49
  5. Step 5: Solve for x
    x = 5,213,345.49/3,570.46
  6. Step 6: Final answer
    x = 1,460.13

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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.