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Finding the Fourth Proportional to 25,392.70, 35,030.29 and 16,443.08

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Solution

The fourth proportional to 25,392.70, 35,030.29 and 16,443.08 is: 22,683.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,392.70 : 35,030.29 = 16,443.08 : x
  2. Step 2: Convert to fraction form
    25,392.70/35,030.29 = 16,443.08/x
  3. Step 3: Cross multiply
    25,392.70x = 35,030.29 × 16,443.08
  4. Step 4: Simplify right side
    25,392.70x = 576,006,050.12
  5. Step 5: Solve for x
    x = 576,006,050.12/25,392.70
  6. Step 6: Final answer
    x = 22,683.92

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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.