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Finding the Fourth Proportional to 25,603.64, 35,302.80 and 17,541.16

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Solution

The fourth proportional to 25,603.64, 35,302.80 and 17,541.16 is: 24,186.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,603.64 : 35,302.80 = 17,541.16 : x
  2. Step 2: Convert to fraction form
    25,603.64/35,302.80 = 17,541.16/x
  3. Step 3: Cross multiply
    25,603.64x = 35,302.80 × 17,541.16
  4. Step 4: Simplify right side
    25,603.64x = 619,252,063.25
  5. Step 5: Solve for x
    x = 619,252,063.25/25,603.64
  6. Step 6: Final answer
    x = 24,186.09

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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.