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Finding the Fourth Proportional to 15,927.51, 23,883.06 and 7,154.91

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Solution

The fourth proportional to 15,927.51, 23,883.06 and 7,154.91 is: 10,728.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,927.51 : 23,883.06 = 7,154.91 : x
  2. Step 2: Convert to fraction form
    15,927.51/23,883.06 = 7,154.91/x
  3. Step 3: Cross multiply
    15,927.51x = 23,883.06 × 7,154.91
  4. Step 4: Simplify right side
    15,927.51x = 170,881,144.82
  5. Step 5: Solve for x
    x = 170,881,144.82/15,927.51
  6. Step 6: Final answer
    x = 10,728.68

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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.