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Finding the Fourth Proportional to 35,886.46, 53,823.29 and 10,920.46

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Solution

The fourth proportional to 35,886.46, 53,823.29 and 10,920.46 is: 16,378.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,886.46 : 53,823.29 = 10,920.46 : x
  2. Step 2: Convert to fraction form
    35,886.46/53,823.29 = 10,920.46/x
  3. Step 3: Cross multiply
    35,886.46x = 53,823.29 × 10,920.46
  4. Step 4: Simplify right side
    35,886.46x = 587,775,085.51
  5. Step 5: Solve for x
    x = 587,775,085.51/35,886.46
  6. Step 6: Final answer
    x = 16,378.74

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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.