Home / 47,501.76-65,553.66-28,640.10

Finding the Fourth Proportional to 47,501.76, 65,553.66 and 28,640.10

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Solution

The fourth proportional to 47,501.76, 65,553.66 and 28,640.10 is: 39,524.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,501.76 : 65,553.66 = 28,640.10 : x
  2. Step 2: Convert to fraction form
    47,501.76/65,553.66 = 28,640.10/x
  3. Step 3: Cross multiply
    47,501.76x = 65,553.66 × 28,640.10
  4. Step 4: Simplify right side
    47,501.76x = 1,877,463,377.77
  5. Step 5: Solve for x
    x = 1,877,463,377.77/47,501.76
  6. Step 6: Final answer
    x = 39,524.08

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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.