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Finding the Fourth Proportional to 47,765.76, 65,926.48 and 32,700.06

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Solution

The fourth proportional to 47,765.76, 65,926.48 and 32,700.06 is: 45,132.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,765.76 : 65,926.48 = 32,700.06 : x
  2. Step 2: Convert to fraction form
    47,765.76/65,926.48 = 32,700.06/x
  3. Step 3: Cross multiply
    47,765.76x = 65,926.48 × 32,700.06
  4. Step 4: Simplify right side
    47,765.76x = 2,155,799,851.59
  5. Step 5: Solve for x
    x = 2,155,799,851.59/47,765.76
  6. Step 6: Final answer
    x = 45,132.74

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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.