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Finding the Fourth Proportional to 44,492.09, 61,419.09 and 28,381.11

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Solution

The fourth proportional to 44,492.09, 61,419.09 and 28,381.11 is: 39,178.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,492.09 : 61,419.09 = 28,381.11 : x
  2. Step 2: Convert to fraction form
    44,492.09/61,419.09 = 28,381.11/x
  3. Step 3: Cross multiply
    44,492.09x = 61,419.09 × 28,381.11
  4. Step 4: Simplify right side
    44,492.09x = 1,743,141,758.77
  5. Step 5: Solve for x
    x = 1,743,141,758.77/44,492.09
  6. Step 6: Final answer
    x = 39,178.69

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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.