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Finding the Fourth Proportional to 61,402.80, 92,152.80 and 23,980.80

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Solution

The fourth proportional to 61,402.80, 92,152.80 and 23,980.80 is: 35,990.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,402.80 : 92,152.80 = 23,980.80 : x
  2. Step 2: Convert to fraction form
    61,402.80/92,152.80 = 23,980.80/x
  3. Step 3: Cross multiply
    61,402.80x = 92,152.80 × 23,980.80
  4. Step 4: Simplify right side
    61,402.80x = 2,209,897,866.24
  5. Step 5: Solve for x
    x = 2,209,897,866.24/61,402.80
  6. Step 6: Final answer
    x = 35,990.18

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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.