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Finding the Fourth Proportional to 25,937.60, 35,792.42 and 15,328.22

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Solution

The fourth proportional to 25,937.60, 35,792.42 and 15,328.22 is: 21,152.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,937.60 : 35,792.42 = 15,328.22 : x
  2. Step 2: Convert to fraction form
    25,937.60/35,792.42 = 15,328.22/x
  3. Step 3: Cross multiply
    25,937.60x = 35,792.42 × 15,328.22
  4. Step 4: Simplify right side
    25,937.60x = 548,634,088.09
  5. Step 5: Solve for x
    x = 548,634,088.09/25,937.60
  6. Step 6: Final answer
    x = 21,152.08

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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.