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Finding the Fourth Proportional to 7,501.61, 11,252.12 and 1,955.00

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Solution

The fourth proportional to 7,501.61, 11,252.12 and 1,955.00 is: 2,932.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,501.61 : 11,252.12 = 1,955.00 : x
  2. Step 2: Convert to fraction form
    7,501.61/11,252.12 = 1,955.00/x
  3. Step 3: Cross multiply
    7,501.61x = 11,252.12 × 1,955.00
  4. Step 4: Simplify right side
    7,501.61x = 21,997,929.45
  5. Step 5: Solve for x
    x = 21,997,929.45/7,501.61
  6. Step 6: Final answer
    x = 2,932.43

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Double scale
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Similar ratio
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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.