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Finding the Fourth Proportional to 35,547.92, 53,290.16 and 18,008.72

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Solution

The fourth proportional to 35,547.92, 53,290.16 and 18,008.72 is: 26,997.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,547.92 : 53,290.16 = 18,008.72 : x
  2. Step 2: Convert to fraction form
    35,547.92/53,290.16 = 18,008.72/x
  3. Step 3: Cross multiply
    35,547.92x = 53,290.16 × 18,008.72
  4. Step 4: Simplify right side
    35,547.92x = 959,687,570.20
  5. Step 5: Solve for x
    x = 959,687,570.20/35,547.92
  6. Step 6: Final answer
    x = 26,997.01

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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.