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Finding the Fourth Proportional to 11,655.76, 17,483.76 and 9,330.54

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Solution

The fourth proportional to 11,655.76, 17,483.76 and 9,330.54 is: 13,995.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,655.76 : 17,483.76 = 9,330.54 : x
  2. Step 2: Convert to fraction form
    11,655.76/17,483.76 = 9,330.54/x
  3. Step 3: Cross multiply
    11,655.76x = 17,483.76 × 9,330.54
  4. Step 4: Simplify right side
    11,655.76x = 163,132,875.38
  5. Step 5: Solve for x
    x = 163,132,875.38/11,655.76
  6. Step 6: Final answer
    x = 13,995.91

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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.