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Finding the Fourth Proportional to 25,572.42, 35,294.76 and 14,394.42

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Solution

The fourth proportional to 25,572.42, 35,294.76 and 14,394.42 is: 19,867.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,572.42 : 35,294.76 = 14,394.42 : x
  2. Step 2: Convert to fraction form
    25,572.42/35,294.76 = 14,394.42/x
  3. Step 3: Cross multiply
    25,572.42x = 35,294.76 × 14,394.42
  4. Step 4: Simplify right side
    25,572.42x = 508,047,599.24
  5. Step 5: Solve for x
    x = 508,047,599.24/25,572.42
  6. Step 6: Final answer
    x = 19,867.01

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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.