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Finding the Fourth Proportional to 47,482.80, 65,456.28 and 34,885.68

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Solution

The fourth proportional to 47,482.80, 65,456.28 and 34,885.68 is: 48,090.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,482.80 : 65,456.28 = 34,885.68 : x
  2. Step 2: Convert to fraction form
    47,482.80/65,456.28 = 34,885.68/x
  3. Step 3: Cross multiply
    47,482.80x = 65,456.28 × 34,885.68
  4. Step 4: Simplify right side
    47,482.80x = 2,283,486,838.07
  5. Step 5: Solve for x
    x = 2,283,486,838.07/47,482.80
  6. Step 6: Final answer
    x = 48,090.82

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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.