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Finding the Fourth Proportional to 69,667.76, 104,501.64 and 48,983.60

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Solution

The fourth proportional to 69,667.76, 104,501.64 and 48,983.60 is: 73,475.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,667.76 : 104,501.64 = 48,983.60 : x
  2. Step 2: Convert to fraction form
    69,667.76/104,501.64 = 48,983.60/x
  3. Step 3: Cross multiply
    69,667.76x = 104,501.64 × 48,983.60
  4. Step 4: Simplify right side
    69,667.76x = 5,118,866,533.10
  5. Step 5: Solve for x
    x = 5,118,866,533.10/69,667.76
  6. Step 6: Final answer
    x = 73,475.40

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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.