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Finding the Fourth Proportional to 64,775.13, 89,412.04 and 37,926.26

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Solution

The fourth proportional to 64,775.13, 89,412.04 and 37,926.26 is: 52,351.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,775.13 : 89,412.04 = 37,926.26 : x
  2. Step 2: Convert to fraction form
    64,775.13/89,412.04 = 37,926.26/x
  3. Step 3: Cross multiply
    64,775.13x = 89,412.04 × 37,926.26
  4. Step 4: Simplify right side
    64,775.13x = 3,391,064,276.17
  5. Step 5: Solve for x
    x = 3,391,064,276.17/64,775.13
  6. Step 6: Final answer
    x = 52,351.33

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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.