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Finding the Fourth Proportional to 68,066.01, 93,931.29 and 37,853.28

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Solution

The fourth proportional to 68,066.01, 93,931.29 and 37,853.28 is: 52,237.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,066.01 : 93,931.29 = 37,853.28 : x
  2. Step 2: Convert to fraction form
    68,066.01/93,931.29 = 37,853.28/x
  3. Step 3: Cross multiply
    68,066.01x = 93,931.29 × 37,853.28
  4. Step 4: Simplify right side
    68,066.01x = 3,555,607,421.13
  5. Step 5: Solve for x
    x = 3,555,607,421.13/68,066.01
  6. Step 6: Final answer
    x = 52,237.64

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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.