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Finding the Fourth Proportional to 44,889.48, 61,878.90 and 28,953.54

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Solution

The fourth proportional to 44,889.48, 61,878.90 and 28,953.54 is: 39,911.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,889.48 : 61,878.90 = 28,953.54 : x
  2. Step 2: Convert to fraction form
    44,889.48/61,878.90 = 28,953.54/x
  3. Step 3: Cross multiply
    44,889.48x = 61,878.90 × 28,953.54
  4. Step 4: Simplify right side
    44,889.48x = 1,791,613,206.31
  5. Step 5: Solve for x
    x = 1,791,613,206.31/44,889.48
  6. Step 6: Final answer
    x = 39,911.65

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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.