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Finding the Fourth Proportional to 25,403, 35,048.04 and 16,457.36

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Solution

The fourth proportional to 25,403, 35,048.04 and 16,457.36 is: 22,705.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,403 : 35,048.04 = 16,457.36 : x
  2. Step 2: Convert to fraction form
    25,403/35,048.04 = 16,457.36/x
  3. Step 3: Cross multiply
    25,403x = 35,048.04 × 16,457.36
  4. Step 4: Simplify right side
    25,403x = 576,798,211.57
  5. Step 5: Solve for x
    x = 576,798,211.57/25,403
  6. Step 6: Final answer
    x = 22,705.91

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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.