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Finding the Fourth Proportional to 35,557.60, 53,352.60 and 16,830.40

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Solution

The fourth proportional to 35,557.60, 53,352.60 and 16,830.40 is: 25,253.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,557.60 : 53,352.60 = 16,830.40 : x
  2. Step 2: Convert to fraction form
    35,557.60/53,352.60 = 16,830.40/x
  3. Step 3: Cross multiply
    35,557.60x = 53,352.60 × 16,830.40
  4. Step 4: Simplify right side
    35,557.60x = 897,945,599.04
  5. Step 5: Solve for x
    x = 897,945,599.04/35,557.60
  6. Step 6: Final answer
    x = 25,253.27

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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.