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Finding the Fourth Proportional to 52,458.32, 72,392.51 and 28,584.98

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Solution

The fourth proportional to 52,458.32, 72,392.51 and 28,584.98 is: 39,447.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,458.32 : 72,392.51 = 28,584.98 : x
  2. Step 2: Convert to fraction form
    52,458.32/72,392.51 = 28,584.98/x
  3. Step 3: Cross multiply
    52,458.32x = 72,392.51 × 28,584.98
  4. Step 4: Simplify right side
    52,458.32x = 2,069,338,307.57
  5. Step 5: Solve for x
    x = 2,069,338,307.57/52,458.32
  6. Step 6: Final answer
    x = 39,447.29

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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.