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Finding the Fourth Proportional to 25,470.94, 35,148.98 and 14,140.94

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Solution

The fourth proportional to 25,470.94, 35,148.98 and 14,140.94 is: 19,513.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,470.94 : 35,148.98 = 14,140.94 : x
  2. Step 2: Convert to fraction form
    25,470.94/35,148.98 = 14,140.94/x
  3. Step 3: Cross multiply
    25,470.94x = 35,148.98 × 14,140.94
  4. Step 4: Simplify right side
    25,470.94x = 497,039,617.24
  5. Step 5: Solve for x
    x = 497,039,617.24/25,470.94
  6. Step 6: Final answer
    x = 19,513.99

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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.