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Finding the Fourth Proportional to 25,548, 35,258.40 and 14,372.16

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Solution

The fourth proportional to 25,548, 35,258.40 and 14,372.16 is: 19,834.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,548 : 35,258.40 = 14,372.16 : x
  2. Step 2: Convert to fraction form
    25,548/35,258.40 = 14,372.16/x
  3. Step 3: Cross multiply
    25,548x = 35,258.40 × 14,372.16
  4. Step 4: Simplify right side
    25,548x = 506,739,366.14
  5. Step 5: Solve for x
    x = 506,739,366.14/25,548
  6. Step 6: Final answer
    x = 19,834.80

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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.