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Finding the Fourth Proportional to 65,526.24, 90,426 and 35,718.24

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Solution

The fourth proportional to 65,526.24, 90,426 and 35,718.24 is: 49,291.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,526.24 : 90,426 = 35,718.24 : x
  2. Step 2: Convert to fraction form
    65,526.24/90,426 = 35,718.24/x
  3. Step 3: Cross multiply
    65,526.24x = 90,426 × 35,718.24
  4. Step 4: Simplify right side
    65,526.24x = 3,229,857,570.24
  5. Step 5: Solve for x
    x = 3,229,857,570.24/65,526.24
  6. Step 6: Final answer
    x = 49,291.06

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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.