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Finding the Fourth Proportional to 47,280.70, 70,921.05 and 23,904.10

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Solution

The fourth proportional to 47,280.70, 70,921.05 and 23,904.10 is: 35,856.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,280.70 : 70,921.05 = 23,904.10 : x
  2. Step 2: Convert to fraction form
    47,280.70/70,921.05 = 23,904.10/x
  3. Step 3: Cross multiply
    47,280.70x = 70,921.05 × 23,904.10
  4. Step 4: Simplify right side
    47,280.70x = 1,695,303,871.31
  5. Step 5: Solve for x
    x = 1,695,303,871.31/47,280.70
  6. Step 6: Final answer
    x = 35,856.15

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Similar ratio
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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.