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Finding the Fourth Proportional to 46,847.60, 70,222.80 and 25,755.20

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Solution

The fourth proportional to 46,847.60, 70,222.80 and 25,755.20 is: 38,606.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,847.60 : 70,222.80 = 25,755.20 : x
  2. Step 2: Convert to fraction form
    46,847.60/70,222.80 = 25,755.20/x
  3. Step 3: Cross multiply
    46,847.60x = 70,222.80 × 25,755.20
  4. Step 4: Simplify right side
    46,847.60x = 1,808,602,258.56
  5. Step 5: Solve for x
    x = 1,808,602,258.56/46,847.60
  6. Step 6: Final answer
    x = 38,606.08

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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.