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Finding the Fourth Proportional to 19,551.20, 29,307.60 and 17,477.60

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Solution

The fourth proportional to 19,551.20, 29,307.60 and 17,477.60 is: 26,199.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,551.20 : 29,307.60 = 17,477.60 : x
  2. Step 2: Convert to fraction form
    19,551.20/29,307.60 = 17,477.60/x
  3. Step 3: Cross multiply
    19,551.20x = 29,307.60 × 17,477.60
  4. Step 4: Simplify right side
    19,551.20x = 512,226,509.76
  5. Step 5: Solve for x
    x = 512,226,509.76/19,551.20
  6. Step 6: Final answer
    x = 26,199.24

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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.