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Finding the Fourth Proportional to 74,809.13, 112,213.69 and 37,873.13

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Solution

The fourth proportional to 74,809.13, 112,213.69 and 37,873.13 is: 56,809.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,809.13 : 112,213.69 = 37,873.13 : x
  2. Step 2: Convert to fraction form
    74,809.13/112,213.69 = 37,873.13/x
  3. Step 3: Cross multiply
    74,809.13x = 112,213.69 × 37,873.13
  4. Step 4: Simplify right side
    74,809.13x = 4,249,883,013.40
  5. Step 5: Solve for x
    x = 4,249,883,013.40/74,809.13
  6. Step 6: Final answer
    x = 56,809.69

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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.