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Finding the Fourth Proportional to 64,852.50, 97,278.78 and 15,604.50

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Solution

The fourth proportional to 64,852.50, 97,278.78 and 15,604.50 is: 23,406.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,852.50 : 97,278.78 = 15,604.50 : x
  2. Step 2: Convert to fraction form
    64,852.50/97,278.78 = 15,604.50/x
  3. Step 3: Cross multiply
    64,852.50x = 97,278.78 × 15,604.50
  4. Step 4: Simplify right side
    64,852.50x = 1,517,986,722.51
  5. Step 5: Solve for x
    x = 1,517,986,722.51/64,852.50
  6. Step 6: Final answer
    x = 23,406.76

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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.