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Finding the Fourth Proportional to 61,602.63, 85,011.51 and 34,745.06

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Solution

The fourth proportional to 61,602.63, 85,011.51 and 34,745.06 is: 47,948.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,602.63 : 85,011.51 = 34,745.06 : x
  2. Step 2: Convert to fraction form
    61,602.63/85,011.51 = 34,745.06/x
  3. Step 3: Cross multiply
    61,602.63x = 85,011.51 × 34,745.06
  4. Step 4: Simplify right side
    61,602.63x = 2,953,729,720.88
  5. Step 5: Solve for x
    x = 2,953,729,720.88/61,602.63
  6. Step 6: Final answer
    x = 47,948.11

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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.