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Finding the Fourth Proportional to 64,877.68, 89,534.73 and 36,203.68

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Solution

The fourth proportional to 64,877.68, 89,534.73 and 36,203.68 is: 49,963.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,877.68 : 89,534.73 = 36,203.68 : x
  2. Step 2: Convert to fraction form
    64,877.68/89,534.73 = 36,203.68/x
  3. Step 3: Cross multiply
    64,877.68x = 89,534.73 × 36,203.68
  4. Step 4: Simplify right side
    64,877.68x = 3,241,486,713.81
  5. Step 5: Solve for x
    x = 3,241,486,713.81/64,877.68
  6. Step 6: Final answer
    x = 49,963.05

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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.