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Finding the Fourth Proportional to 7,563.48, 11,345.18 and 2,946.48

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Solution

The fourth proportional to 7,563.48, 11,345.18 and 2,946.48 is: 4,419.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,563.48 : 11,345.18 = 2,946.48 : x
  2. Step 2: Convert to fraction form
    7,563.48/11,345.18 = 2,946.48/x
  3. Step 3: Cross multiply
    7,563.48x = 11,345.18 × 2,946.48
  4. Step 4: Simplify right side
    7,563.48x = 33,428,331.23
  5. Step 5: Solve for x
    x = 33,428,331.23/7,563.48
  6. Step 6: Final answer
    x = 4,419.70

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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.