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Finding the Fourth Proportional to 25,465.01, 35,117.28 and 15,254.39

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Solution

The fourth proportional to 25,465.01, 35,117.28 and 15,254.39 is: 21,036.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,465.01 : 35,117.28 = 15,254.39 : x
  2. Step 2: Convert to fraction form
    25,465.01/35,117.28 = 15,254.39/x
  3. Step 3: Cross multiply
    25,465.01x = 35,117.28 × 15,254.39
  4. Step 4: Simplify right side
    25,465.01x = 535,692,509.27
  5. Step 5: Solve for x
    x = 535,692,509.27/25,465.01
  6. Step 6: Final answer
    x = 21,036.42

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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.