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Finding the Fourth Proportional to 64,448.81, 96,671.75 and 37,962.81

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Solution

The fourth proportional to 64,448.81, 96,671.75 and 37,962.81 is: 56,943.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,448.81 : 96,671.75 = 37,962.81 : x
  2. Step 2: Convert to fraction form
    64,448.81/96,671.75 = 37,962.81/x
  3. Step 3: Cross multiply
    64,448.81x = 96,671.75 × 37,962.81
  4. Step 4: Simplify right side
    64,448.81x = 3,669,931,087.80
  5. Step 5: Solve for x
    x = 3,669,931,087.80/64,448.81
  6. Step 6: Final answer
    x = 56,943.35

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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.