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Finding the Fourth Proportional to 74,963.90, 112,482.50 and 32,838.23

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Solution

The fourth proportional to 74,963.90, 112,482.50 and 32,838.23 is: 49,273.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,963.90 : 112,482.50 = 32,838.23 : x
  2. Step 2: Convert to fraction form
    74,963.90/112,482.50 = 32,838.23/x
  3. Step 3: Cross multiply
    74,963.90x = 112,482.50 × 32,838.23
  4. Step 4: Simplify right side
    74,963.90x = 3,693,725,479.37
  5. Step 5: Solve for x
    x = 3,693,725,479.37/74,963.90
  6. Step 6: Final answer
    x = 49,273.39

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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.