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Finding the Fourth Proportional to 61,606.12, 85,014.54 and 34,748.24

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Solution

The fourth proportional to 61,606.12, 85,014.54 and 34,748.24 is: 47,951.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,606.12 : 85,014.54 = 34,748.24 : x
  2. Step 2: Convert to fraction form
    61,606.12/85,014.54 = 34,748.24/x
  3. Step 3: Cross multiply
    61,606.12x = 85,014.54 × 34,748.24
  4. Step 4: Simplify right side
    61,606.12x = 2,954,105,594.81
  5. Step 5: Solve for x
    x = 2,954,105,594.81/61,606.12
  6. Step 6: Final answer
    x = 47,951.50

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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.