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Finding the Fourth Proportional to 64,859.84, 89,506.41 and 35,051.84

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Solution

The fourth proportional to 64,859.84, 89,506.41 and 35,051.84 is: 48,371.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,859.84 : 89,506.41 = 35,051.84 : x
  2. Step 2: Convert to fraction form
    64,859.84/89,506.41 = 35,051.84/x
  3. Step 3: Cross multiply
    64,859.84x = 89,506.41 × 35,051.84
  4. Step 4: Simplify right side
    64,859.84x = 3,137,364,362.29
  5. Step 5: Solve for x
    x = 3,137,364,362.29/64,859.84
  6. Step 6: Final answer
    x = 48,371.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.