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Finding the Fourth Proportional to 74,313, 111,486.48 and 24,397.32

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Solution

The fourth proportional to 74,313, 111,486.48 and 24,397.32 is: 36,601.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,313 : 111,486.48 = 24,397.32 : x
  2. Step 2: Convert to fraction form
    74,313/111,486.48 = 24,397.32/x
  3. Step 3: Cross multiply
    74,313x = 111,486.48 × 24,397.32
  4. Step 4: Simplify right side
    74,313x = 2,719,971,328.23
  5. Step 5: Solve for x
    x = 2,719,971,328.23/74,313
  6. Step 6: Final answer
    x = 36,601.55

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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.