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Finding the Fourth Proportional to 74,675.34, 103,017.15 and 44,443.71

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Solution

The fourth proportional to 74,675.34, 103,017.15 and 44,443.71 is: 61,311.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,675.34 : 103,017.15 = 44,443.71 : x
  2. Step 2: Convert to fraction form
    74,675.34/103,017.15 = 44,443.71/x
  3. Step 3: Cross multiply
    74,675.34x = 103,017.15 × 44,443.71
  4. Step 4: Simplify right side
    74,675.34x = 4,578,464,339.63
  5. Step 5: Solve for x
    x = 4,578,464,339.63/74,675.34
  6. Step 6: Final answer
    x = 61,311.60

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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.