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Finding the Fourth Proportional to 65,595.88, 90,548.58 and 43,293.16

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Solution

The fourth proportional to 65,595.88, 90,548.58 and 43,293.16 is: 59,761.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,595.88 : 90,548.58 = 43,293.16 : x
  2. Step 2: Convert to fraction form
    65,595.88/90,548.58 = 43,293.16/x
  3. Step 3: Cross multiply
    65,595.88x = 90,548.58 × 43,293.16
  4. Step 4: Simplify right side
    65,595.88x = 3,920,134,161.71
  5. Step 5: Solve for x
    x = 3,920,134,161.71/65,595.88
  6. Step 6: Final answer
    x = 59,761.90

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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.