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Finding the Fourth Proportional to 70,533.60, 105,800.40 and 35,541.60

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Solution

The fourth proportional to 70,533.60, 105,800.40 and 35,541.60 is: 53,312.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,533.60 : 105,800.40 = 35,541.60 : x
  2. Step 2: Convert to fraction form
    70,533.60/105,800.40 = 35,541.60/x
  3. Step 3: Cross multiply
    70,533.60x = 105,800.40 × 35,541.60
  4. Step 4: Simplify right side
    70,533.60x = 3,760,315,496.64
  5. Step 5: Solve for x
    x = 3,760,315,496.64/70,533.60
  6. Step 6: Final answer
    x = 53,312.40

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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.