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Finding the Fourth Proportional to 61,402.30, 92,152.05 and 23,980.30

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Solution

The fourth proportional to 61,402.30, 92,152.05 and 23,980.30 is: 35,989.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,402.30 : 92,152.05 = 23,980.30 : x
  2. Step 2: Convert to fraction form
    61,402.30/92,152.05 = 23,980.30/x
  3. Step 3: Cross multiply
    61,402.30x = 92,152.05 × 23,980.30
  4. Step 4: Simplify right side
    61,402.30x = 2,209,833,804.62
  5. Step 5: Solve for x
    x = 2,209,833,804.62/61,402.30
  6. Step 6: Final answer
    x = 35,989.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.