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Finding the Fourth Proportional to 21,635.51, 32,454.47 and 10,551.67

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Solution

The fourth proportional to 21,635.51, 32,454.47 and 10,551.67 is: 15,828.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,635.51 : 32,454.47 = 10,551.67 : x
  2. Step 2: Convert to fraction form
    21,635.51/32,454.47 = 10,551.67/x
  3. Step 3: Cross multiply
    21,635.51x = 32,454.47 × 10,551.67
  4. Step 4: Simplify right side
    21,635.51x = 342,448,802.71
  5. Step 5: Solve for x
    x = 342,448,802.71/21,635.51
  6. Step 6: Final answer
    x = 15,828.09

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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.