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Finding the Fourth Proportional to 3,555.34, 5,332.29 and 957.67

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Solution

The fourth proportional to 3,555.34, 5,332.29 and 957.67 is: 1,436.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.34 : 5,332.29 = 957.67 : x
  2. Step 2: Convert to fraction form
    3,555.34/5,332.29 = 957.67/x
  3. Step 3: Cross multiply
    3,555.34x = 5,332.29 × 957.67
  4. Step 4: Simplify right side
    3,555.34x = 5,106,574.16
  5. Step 5: Solve for x
    x = 5,106,574.16/3,555.34
  6. Step 6: Final answer
    x = 1,436.31

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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.