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Finding the Fourth Proportional to 75,036.98, 112,499.52 and 25,087.52

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Solution

The fourth proportional to 75,036.98, 112,499.52 and 25,087.52 is: 37,612.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,036.98 : 112,499.52 = 25,087.52 : x
  2. Step 2: Convert to fraction form
    75,036.98/112,499.52 = 25,087.52/x
  3. Step 3: Cross multiply
    75,036.98x = 112,499.52 × 25,087.52
  4. Step 4: Simplify right side
    75,036.98x = 2,822,333,957.99
  5. Step 5: Solve for x
    x = 2,822,333,957.99/75,036.98
  6. Step 6: Final answer
    x = 37,612.57

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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.