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Finding the Fourth Proportional to 64,860.48, 89,507.52 and 35,052.48

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Solution

The fourth proportional to 64,860.48, 89,507.52 and 35,052.48 is: 48,372.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,860.48 : 89,507.52 = 35,052.48 : x
  2. Step 2: Convert to fraction form
    64,860.48/89,507.52 = 35,052.48/x
  3. Step 3: Cross multiply
    64,860.48x = 89,507.52 × 35,052.48
  4. Step 4: Simplify right side
    64,860.48x = 3,137,460,554.65
  5. Step 5: Solve for x
    x = 3,137,460,554.65/64,860.48
  6. Step 6: Final answer
    x = 48,372.45

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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.