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Finding the Fourth Proportional to 65,569.06, 90,484.88 and 37,274.76

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Solution

The fourth proportional to 65,569.06, 90,484.88 and 37,274.76 is: 51,438.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,569.06 : 90,484.88 = 37,274.76 : x
  2. Step 2: Convert to fraction form
    65,569.06/90,484.88 = 37,274.76/x
  3. Step 3: Cross multiply
    65,569.06x = 90,484.88 × 37,274.76
  4. Step 4: Simplify right side
    65,569.06x = 3,372,802,185.63
  5. Step 5: Solve for x
    x = 3,372,802,185.63/65,569.06
  6. Step 6: Final answer
    x = 51,438.93

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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.