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Finding the Fourth Proportional to 66,153.68, 91,300.04 and 37,858.76

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Solution

The fourth proportional to 66,153.68, 91,300.04 and 37,858.76 is: 52,249.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,153.68 : 91,300.04 = 37,858.76 : x
  2. Step 2: Convert to fraction form
    66,153.68/91,300.04 = 37,858.76/x
  3. Step 3: Cross multiply
    66,153.68x = 91,300.04 × 37,858.76
  4. Step 4: Simplify right side
    66,153.68x = 3,456,506,302.35
  5. Step 5: Solve for x
    x = 3,456,506,302.35/66,153.68
  6. Step 6: Final answer
    x = 52,249.65

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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.