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Finding the Fourth Proportional to 35,990.68, 53,992.44 and 11,030.20

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Solution

The fourth proportional to 35,990.68, 53,992.44 and 11,030.20 is: 16,547.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,990.68 : 53,992.44 = 11,030.20 : x
  2. Step 2: Convert to fraction form
    35,990.68/53,992.44 = 11,030.20/x
  3. Step 3: Cross multiply
    35,990.68x = 53,992.44 × 11,030.20
  4. Step 4: Simplify right side
    35,990.68x = 595,547,411.69
  5. Step 5: Solve for x
    x = 595,547,411.69/35,990.68
  6. Step 6: Final answer
    x = 16,547.27

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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.