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Finding the Fourth Proportional to 25,608.61, 35,319.40 and 17,649.01

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Solution

The fourth proportional to 25,608.61, 35,319.40 and 17,649.01 is: 24,341.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,608.61 : 35,319.40 = 17,649.01 : x
  2. Step 2: Convert to fraction form
    25,608.61/35,319.40 = 17,649.01/x
  3. Step 3: Cross multiply
    25,608.61x = 35,319.40 × 17,649.01
  4. Step 4: Simplify right side
    25,608.61x = 623,352,443.79
  5. Step 5: Solve for x
    x = 623,352,443.79/25,608.61
  6. Step 6: Final answer
    x = 24,341.52

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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.