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Finding the Fourth Proportional to 75,088.89, 112,645.79 and 35,624.48

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Solution

The fourth proportional to 75,088.89, 112,645.79 and 35,624.48 is: 53,442.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,088.89 : 112,645.79 = 35,624.48 : x
  2. Step 2: Convert to fraction form
    75,088.89/112,645.79 = 35,624.48/x
  3. Step 3: Cross multiply
    75,088.89x = 112,645.79 × 35,624.48
  4. Step 4: Simplify right side
    75,088.89x = 4,012,947,085.18
  5. Step 5: Solve for x
    x = 4,012,947,085.18/75,088.89
  6. Step 6: Final answer
    x = 53,442.62

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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.