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Finding the Fourth Proportional to 62,985.68, 94,017.68 and 55,512.55

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Solution

The fourth proportional to 62,985.68, 94,017.68 and 55,512.55 is: 82,862.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,985.68 : 94,017.68 = 55,512.55 : x
  2. Step 2: Convert to fraction form
    62,985.68/94,017.68 = 55,512.55/x
  3. Step 3: Cross multiply
    62,985.68x = 94,017.68 × 55,512.55
  4. Step 4: Simplify right side
    62,985.68x = 5,219,161,522.27
  5. Step 5: Solve for x
    x = 5,219,161,522.27/62,985.68
  6. Step 6: Final answer
    x = 82,862.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.