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Finding the Fourth Proportional to 29,911.33, 44,894.45 and 15,130.63

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Solution

The fourth proportional to 29,911.33, 44,894.45 and 15,130.63 is: 22,709.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,911.33 : 44,894.45 = 15,130.63 : x
  2. Step 2: Convert to fraction form
    29,911.33/44,894.45 = 15,130.63/x
  3. Step 3: Cross multiply
    29,911.33x = 44,894.45 × 15,130.63
  4. Step 4: Simplify right side
    29,911.33x = 679,281,320.84
  5. Step 5: Solve for x
    x = 679,281,320.84/29,911.33
  6. Step 6: Final answer
    x = 22,709.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.