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Finding the Fourth Proportional to 66,903.48, 92,335.50 and 43,953.12

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Solution

The fourth proportional to 66,903.48, 92,335.50 and 43,953.12 is: 60,661.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,903.48 : 92,335.50 = 43,953.12 : x
  2. Step 2: Convert to fraction form
    66,903.48/92,335.50 = 43,953.12/x
  3. Step 3: Cross multiply
    66,903.48x = 92,335.50 × 43,953.12
  4. Step 4: Simplify right side
    66,903.48x = 4,058,433,311.76
  5. Step 5: Solve for x
    x = 4,058,433,311.76/66,903.48
  6. Step 6: Final answer
    x = 60,661.02

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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.