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Finding the Fourth Proportional to 65,237.58, 89,994.93 and 38,362.98

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Solution

The fourth proportional to 65,237.58, 89,994.93 and 38,362.98 is: 52,921.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,237.58 : 89,994.93 = 38,362.98 : x
  2. Step 2: Convert to fraction form
    65,237.58/89,994.93 = 38,362.98/x
  3. Step 3: Cross multiply
    65,237.58x = 89,994.93 × 38,362.98
  4. Step 4: Simplify right side
    65,237.58x = 3,452,473,699.69
  5. Step 5: Solve for x
    x = 3,452,473,699.69/65,237.58
  6. Step 6: Final answer
    x = 52,921.55

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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.