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Finding the Fourth Proportional to 48,470.84, 66,862.44 and 28,323.44

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Solution

The fourth proportional to 48,470.84, 66,862.44 and 28,323.44 is: 39,070.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,470.84 : 66,862.44 = 28,323.44 : x
  2. Step 2: Convert to fraction form
    48,470.84/66,862.44 = 28,323.44/x
  3. Step 3: Cross multiply
    48,470.84x = 66,862.44 × 28,323.44
  4. Step 4: Simplify right side
    48,470.84x = 1,893,774,307.59
  5. Step 5: Solve for x
    x = 1,893,774,307.59/48,470.84
  6. Step 6: Final answer
    x = 39,070.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.