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Finding the Fourth Proportional to 52,636.06, 72,637.70 and 29,975.06

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Solution

The fourth proportional to 52,636.06, 72,637.70 and 29,975.06 is: 41,365.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,636.06 : 72,637.70 = 29,975.06 : x
  2. Step 2: Convert to fraction form
    52,636.06/72,637.70 = 29,975.06/x
  3. Step 3: Cross multiply
    52,636.06x = 72,637.70 × 29,975.06
  4. Step 4: Simplify right side
    52,636.06x = 2,177,319,415.76
  5. Step 5: Solve for x
    x = 2,177,319,415.76/52,636.06
  6. Step 6: Final answer
    x = 41,365.55

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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.