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Finding the Fourth Proportional to 25,403.61, 35,059.11 and 14,792.61

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Solution

The fourth proportional to 25,403.61, 35,059.11 and 14,792.61 is: 20,415.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,403.61 : 35,059.11 = 14,792.61 : x
  2. Step 2: Convert to fraction form
    25,403.61/35,059.11 = 14,792.61/x
  3. Step 3: Cross multiply
    25,403.61x = 35,059.11 × 14,792.61
  4. Step 4: Simplify right side
    25,403.61x = 518,615,741.18
  5. Step 5: Solve for x
    x = 518,615,741.18/25,403.61
  6. Step 6: Final answer
    x = 20,415.04

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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.