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Finding the Fourth Proportional to 47,700.03, 65,829.11 and 27,557.76

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Solution

The fourth proportional to 47,700.03, 65,829.11 and 27,557.76 is: 38,031.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,700.03 : 65,829.11 = 27,557.76 : x
  2. Step 2: Convert to fraction form
    47,700.03/65,829.11 = 27,557.76/x
  3. Step 3: Cross multiply
    47,700.03x = 65,829.11 × 27,557.76
  4. Step 4: Simplify right side
    47,700.03x = 1,814,102,676.60
  5. Step 5: Solve for x
    x = 1,814,102,676.60/47,700.03
  6. Step 6: Final answer
    x = 38,031.48

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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.