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Finding the Fourth Proportional to 3,555.07, 5,332.73 and 958.07

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Solution

The fourth proportional to 3,555.07, 5,332.73 and 958.07 is: 1,437.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.07 : 5,332.73 = 958.07 : x
  2. Step 2: Convert to fraction form
    3,555.07/5,332.73 = 958.07/x
  3. Step 3: Cross multiply
    3,555.07x = 5,332.73 × 958.07
  4. Step 4: Simplify right side
    3,555.07x = 5,109,128.63
  5. Step 5: Solve for x
    x = 5,109,128.63/3,555.07
  6. Step 6: Final answer
    x = 1,437.14

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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.