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Finding the Fourth Proportional to 60,930.50, 83,897.16 and 53,334.32

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Solution

The fourth proportional to 60,930.50, 83,897.16 and 53,334.32 is: 73,437.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,930.50 : 83,897.16 = 53,334.32 : x
  2. Step 2: Convert to fraction form
    60,930.50/83,897.16 = 53,334.32/x
  3. Step 3: Cross multiply
    60,930.50x = 83,897.16 × 53,334.32
  4. Step 4: Simplify right side
    60,930.50x = 4,474,597,978.53
  5. Step 5: Solve for x
    x = 4,474,597,978.53/60,930.50
  6. Step 6: Final answer
    x = 73,437.74

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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.