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Finding the Fourth Proportional to 65,434.41, 90,294.80 and 36,752.58

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Solution

The fourth proportional to 65,434.41, 90,294.80 and 36,752.58 is: 50,715.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,434.41 : 90,294.80 = 36,752.58 : x
  2. Step 2: Convert to fraction form
    65,434.41/90,294.80 = 36,752.58/x
  3. Step 3: Cross multiply
    65,434.41x = 90,294.80 × 36,752.58
  4. Step 4: Simplify right side
    65,434.41x = 3,318,566,676.82
  5. Step 5: Solve for x
    x = 3,318,566,676.82/65,434.41
  6. Step 6: Final answer
    x = 50,715.93

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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.