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Finding the Fourth Proportional to 65,547.56, 90,455.74 and 37,253.25

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Solution

The fourth proportional to 65,547.56, 90,455.74 and 37,253.25 is: 51,409.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,547.56 : 90,455.74 = 37,253.25 : x
  2. Step 2: Convert to fraction form
    65,547.56/90,455.74 = 37,253.25/x
  3. Step 3: Cross multiply
    65,547.56x = 90,455.74 × 37,253.25
  4. Step 4: Simplify right side
    65,547.56x = 3,369,770,203.02
  5. Step 5: Solve for x
    x = 3,369,770,203.02/65,547.56
  6. Step 6: Final answer
    x = 51,409.54

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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.