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Finding the Fourth Proportional to 11,573.76, 15,964.38 and 7,595.16

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Solution

The fourth proportional to 11,573.76, 15,964.38 and 7,595.16 is: 10,476.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,573.76 : 15,964.38 = 7,595.16 : x
  2. Step 2: Convert to fraction form
    11,573.76/15,964.38 = 7,595.16/x
  3. Step 3: Cross multiply
    11,573.76x = 15,964.38 × 7,595.16
  4. Step 4: Simplify right side
    11,573.76x = 121,252,020.40
  5. Step 5: Solve for x
    x = 121,252,020.40/11,573.76
  6. Step 6: Final answer
    x = 10,476.46

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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.