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Finding the Fourth Proportional to 66,703.02, 92,052.54 and 36,486.54

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Solution

The fourth proportional to 66,703.02, 92,052.54 and 36,486.54 is: 50,352.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,703.02 : 92,052.54 = 36,486.54 : x
  2. Step 2: Convert to fraction form
    66,703.02/92,052.54 = 36,486.54/x
  3. Step 3: Cross multiply
    66,703.02x = 92,052.54 × 36,486.54
  4. Step 4: Simplify right side
    66,703.02x = 3,358,678,682.81
  5. Step 5: Solve for x
    x = 3,358,678,682.81/66,703.02
  6. Step 6: Final answer
    x = 50,352.72

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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.