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Finding the Fourth Proportional to 65,534.24, 90,437.04 and 35,726.24

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Solution

The fourth proportional to 65,534.24, 90,437.04 and 35,726.24 is: 49,302.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,534.24 : 90,437.04 = 35,726.24 : x
  2. Step 2: Convert to fraction form
    65,534.24/90,437.04 = 35,726.24/x
  3. Step 3: Cross multiply
    65,534.24x = 90,437.04 × 35,726.24
  4. Step 4: Simplify right side
    65,534.24x = 3,230,975,395.93
  5. Step 5: Solve for x
    x = 3,230,975,395.93/65,534.24
  6. Step 6: Final answer
    x = 49,302.10

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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.