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Finding the Fourth Proportional to 62,302.95, 85,978.20 and 34,008.63

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Solution

The fourth proportional to 62,302.95, 85,978.20 and 34,008.63 is: 46,931.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,302.95 : 85,978.20 = 34,008.63 : x
  2. Step 2: Convert to fraction form
    62,302.95/85,978.20 = 34,008.63/x
  3. Step 3: Cross multiply
    62,302.95x = 85,978.20 × 34,008.63
  4. Step 4: Simplify right side
    62,302.95x = 2,924,000,791.87
  5. Step 5: Solve for x
    x = 2,924,000,791.87/62,302.95
  6. Step 6: Final answer
    x = 46,931.98

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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.