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Finding the Fourth Proportional to 70,525.60, 105,788.40 and 35,533.60

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Solution

The fourth proportional to 70,525.60, 105,788.40 and 35,533.60 is: 53,300.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,525.60 : 105,788.40 = 35,533.60 : x
  2. Step 2: Convert to fraction form
    70,525.60/105,788.40 = 35,533.60/x
  3. Step 3: Cross multiply
    70,525.60x = 105,788.40 × 35,533.60
  4. Step 4: Simplify right side
    70,525.60x = 3,759,042,690.24
  5. Step 5: Solve for x
    x = 3,759,042,690.24/70,525.60
  6. Step 6: Final answer
    x = 53,300.40

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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.