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Finding the Fourth Proportional to 53,482.96, 73,807.68 and 29,286.22

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Solution

The fourth proportional to 53,482.96, 73,807.68 and 29,286.22 is: 40,415.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,482.96 : 73,807.68 = 29,286.22 : x
  2. Step 2: Convert to fraction form
    53,482.96/73,807.68 = 29,286.22/x
  3. Step 3: Cross multiply
    53,482.96x = 73,807.68 × 29,286.22
  4. Step 4: Simplify right side
    53,482.96x = 2,161,547,954.17
  5. Step 5: Solve for x
    x = 2,161,547,954.17/53,482.96
  6. Step 6: Final answer
    x = 40,415.64

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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.