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Finding the Fourth Proportional to 35,612.48, 53,420.08 and 10,652.88

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Solution

The fourth proportional to 35,612.48, 53,420.08 and 10,652.88 is: 15,979.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,612.48 : 53,420.08 = 10,652.88 : x
  2. Step 2: Convert to fraction form
    35,612.48/53,420.08 = 10,652.88/x
  3. Step 3: Cross multiply
    35,612.48x = 53,420.08 × 10,652.88
  4. Step 4: Simplify right side
    35,612.48x = 569,077,701.83
  5. Step 5: Solve for x
    x = 569,077,701.83/35,612.48
  6. Step 6: Final answer
    x = 15,979.73

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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.