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Finding the Fourth Proportional to 47,865.33, 66,002.45 and 46,776.69

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Solution

The fourth proportional to 47,865.33, 66,002.45 and 46,776.69 is: 64,501.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,865.33 : 66,002.45 = 46,776.69 : x
  2. Step 2: Convert to fraction form
    47,865.33/66,002.45 = 46,776.69/x
  3. Step 3: Cross multiply
    47,865.33x = 66,002.45 × 46,776.69
  4. Step 4: Simplify right side
    47,865.33x = 3,087,375,909.01
  5. Step 5: Solve for x
    x = 3,087,375,909.01/47,865.33
  6. Step 6: Final answer
    x = 64,501.30

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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.