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Finding the Fourth Proportional to 65,293.66, 90,125.76 and 37,018.18

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Solution

The fourth proportional to 65,293.66, 90,125.76 and 37,018.18 is: 51,096.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,293.66 : 90,125.76 = 37,018.18 : x
  2. Step 2: Convert to fraction form
    65,293.66/90,125.76 = 37,018.18/x
  3. Step 3: Cross multiply
    65,293.66x = 90,125.76 × 37,018.18
  4. Step 4: Simplify right side
    65,293.66x = 3,336,291,606.32
  5. Step 5: Solve for x
    x = 3,336,291,606.32/65,293.66
  6. Step 6: Final answer
    x = 51,096.72

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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.