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Finding the Fourth Proportional to 35,002.50, 48,302.10 and 19,897.15

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Solution

The fourth proportional to 35,002.50, 48,302.10 and 19,897.15 is: 27,457.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,002.50 : 48,302.10 = 19,897.15 : x
  2. Step 2: Convert to fraction form
    35,002.50/48,302.10 = 19,897.15/x
  3. Step 3: Cross multiply
    35,002.50x = 48,302.10 × 19,897.15
  4. Step 4: Simplify right side
    35,002.50x = 961,074,008.26
  5. Step 5: Solve for x
    x = 961,074,008.26/35,002.50
  6. Step 6: Final answer
    x = 27,457.30

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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.