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Finding the Fourth Proportional to 61,348.04, 84,661.16 and 34,489.05

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Solution

The fourth proportional to 61,348.04, 84,661.16 and 34,489.05 is: 47,595.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,348.04 : 84,661.16 = 34,489.05 : x
  2. Step 2: Convert to fraction form
    61,348.04/84,661.16 = 34,489.05/x
  3. Step 3: Cross multiply
    61,348.04x = 84,661.16 × 34,489.05
  4. Step 4: Simplify right side
    61,348.04x = 2,919,882,980.30
  5. Step 5: Solve for x
    x = 2,919,882,980.30/61,348.04
  6. Step 6: Final answer
    x = 47,595.38

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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.