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Finding the Fourth Proportional to 11,552.04, 15,929.76 and 8,573.76

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Solution

The fourth proportional to 11,552.04, 15,929.76 and 8,573.76 is: 11,822.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,552.04 : 15,929.76 = 8,573.76 : x
  2. Step 2: Convert to fraction form
    11,552.04/15,929.76 = 8,573.76/x
  3. Step 3: Cross multiply
    11,552.04x = 15,929.76 × 8,573.76
  4. Step 4: Simplify right side
    11,552.04x = 136,577,939.10
  5. Step 5: Solve for x
    x = 136,577,939.10/11,552.04
  6. Step 6: Final answer
    x = 11,822.84

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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.