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Finding the Fourth Proportional to 25,985.00, 35,859.40 and 14,500.40

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Solution

The fourth proportional to 25,985.00, 35,859.40 and 14,500.40 is: 20,010.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,985.00 : 35,859.40 = 14,500.40 : x
  2. Step 2: Convert to fraction form
    25,985.00/35,859.40 = 14,500.40/x
  3. Step 3: Cross multiply
    25,985.00x = 35,859.40 × 14,500.40
  4. Step 4: Simplify right side
    25,985.00x = 519,975,428.21
  5. Step 5: Solve for x
    x = 519,975,428.21/25,985.00
  6. Step 6: Final answer
    x = 20,010.60

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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.