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Finding the Fourth Proportional to 2,334.47, 3,501.65 and 947.44

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Solution

The fourth proportional to 2,334.47, 3,501.65 and 947.44 is: 1,421.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,334.47 : 3,501.65 = 947.44 : x
  2. Step 2: Convert to fraction form
    2,334.47/3,501.65 = 947.44/x
  3. Step 3: Cross multiply
    2,334.47x = 3,501.65 × 947.44
  4. Step 4: Simplify right side
    2,334.47x = 3,317,603.28
  5. Step 5: Solve for x
    x = 3,317,603.28/2,334.47
  6. Step 6: Final answer
    x = 1,421.14

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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.