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Finding the Fourth Proportional to 35,911.11, 53,869.55 and 9,615.63

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Solution

The fourth proportional to 35,911.11, 53,869.55 and 9,615.63 is: 14,424.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,911.11 : 53,869.55 = 9,615.63 : x
  2. Step 2: Convert to fraction form
    35,911.11/53,869.55 = 9,615.63/x
  3. Step 3: Cross multiply
    35,911.11x = 53,869.55 × 9,615.63
  4. Step 4: Simplify right side
    35,911.11x = 517,989,612.99
  5. Step 5: Solve for x
    x = 517,989,612.99/35,911.11
  6. Step 6: Final answer
    x = 14,424.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.