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Finding the Fourth Proportional to 7,960.05, 10,985.07 and 4,603.01

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Solution

The fourth proportional to 7,960.05, 10,985.07 and 4,603.01 is: 6,352.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,960.05 : 10,985.07 = 4,603.01 : x
  2. Step 2: Convert to fraction form
    7,960.05/10,985.07 = 4,603.01/x
  3. Step 3: Cross multiply
    7,960.05x = 10,985.07 × 4,603.01
  4. Step 4: Simplify right side
    7,960.05x = 50,564,332.14
  5. Step 5: Solve for x
    x = 50,564,332.14/7,960.05
  6. Step 6: Final answer
    x = 6,352.26

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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.