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Finding the Fourth Proportional to 25,398.91, 35,048.91 and 14,068.23

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Solution

The fourth proportional to 25,398.91, 35,048.91 and 14,068.23 is: 19,413.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,398.91 : 35,048.91 = 14,068.23 : x
  2. Step 2: Convert to fraction form
    25,398.91/35,048.91 = 14,068.23/x
  3. Step 3: Cross multiply
    25,398.91x = 35,048.91 × 14,068.23
  4. Step 4: Simplify right side
    25,398.91x = 493,076,127.13
  5. Step 5: Solve for x
    x = 493,076,127.13/25,398.91
  6. Step 6: Final answer
    x = 19,413.28

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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.