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Finding the Fourth Proportional to 60,503.86, 90,774.24 and 30,942.46

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Solution

The fourth proportional to 60,503.86, 90,774.24 and 30,942.46 is: 46,423.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,503.86 : 90,774.24 = 30,942.46 : x
  2. Step 2: Convert to fraction form
    60,503.86/90,774.24 = 30,942.46/x
  3. Step 3: Cross multiply
    60,503.86x = 90,774.24 × 30,942.46
  4. Step 4: Simplify right side
    60,503.86x = 2,808,778,290.23
  5. Step 5: Solve for x
    x = 2,808,778,290.23/60,503.86
  6. Step 6: Final answer
    x = 46,423.13

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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.