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Finding the Fourth Proportional to 44,887.72, 61,900.32 and 28,980.40

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Solution

The fourth proportional to 44,887.72, 61,900.32 and 28,980.40 is: 39,964.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,887.72 : 61,900.32 = 28,980.40 : x
  2. Step 2: Convert to fraction form
    44,887.72/61,900.32 = 28,980.40/x
  3. Step 3: Cross multiply
    44,887.72x = 61,900.32 × 28,980.40
  4. Step 4: Simplify right side
    44,887.72x = 1,793,896,033.73
  5. Step 5: Solve for x
    x = 1,793,896,033.73/44,887.72
  6. Step 6: Final answer
    x = 39,964.07

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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.