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Finding the Fourth Proportional to 25,340.48, 34,968.48 and 14,009.30

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Solution

The fourth proportional to 25,340.48, 34,968.48 and 14,009.30 is: 19,332.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,340.48 : 34,968.48 = 14,009.30 : x
  2. Step 2: Convert to fraction form
    25,340.48/34,968.48 = 14,009.30/x
  3. Step 3: Cross multiply
    25,340.48x = 34,968.48 × 14,009.30
  4. Step 4: Simplify right side
    25,340.48x = 489,883,926.86
  5. Step 5: Solve for x
    x = 489,883,926.86/25,340.48
  6. Step 6: Final answer
    x = 19,332.07

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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.