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Finding the Fourth Proportional to 40,445.80, 60,647.10 and 17,045.80

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Solution

The fourth proportional to 40,445.80, 60,647.10 and 17,045.80 is: 25,559.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,445.80 : 60,647.10 = 17,045.80 : x
  2. Step 2: Convert to fraction form
    40,445.80/60,647.10 = 17,045.80/x
  3. Step 3: Cross multiply
    40,445.80x = 60,647.10 × 17,045.80
  4. Step 4: Simplify right side
    40,445.80x = 1,033,778,337.18
  5. Step 5: Solve for x
    x = 1,033,778,337.18/40,445.80
  6. Step 6: Final answer
    x = 25,559.60

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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.