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Finding the Fourth Proportional to 74,623, 102,977.35 and 44,401.40

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Solution

The fourth proportional to 74,623, 102,977.35 and 44,401.40 is: 61,272.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,623 : 102,977.35 = 44,401.40 : x
  2. Step 2: Convert to fraction form
    74,623/102,977.35 = 44,401.40/x
  3. Step 3: Cross multiply
    74,623x = 102,977.35 × 44,401.40
  4. Step 4: Simplify right side
    74,623x = 4,572,338,508.29
  5. Step 5: Solve for x
    x = 4,572,338,508.29/74,623
  6. Step 6: Final answer
    x = 61,272.51

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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.