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Finding the Fourth Proportional to 35,262, 48,661.56 and 20,358

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Solution

The fourth proportional to 35,262, 48,661.56 and 20,358 is: 28,094.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,262 : 48,661.56 = 20,358 : x
  2. Step 2: Convert to fraction form
    35,262/48,661.56 = 20,358/x
  3. Step 3: Cross multiply
    35,262x = 48,661.56 × 20,358
  4. Step 4: Simplify right side
    35,262x = 990,652,038.48
  5. Step 5: Solve for x
    x = 990,652,038.48/35,262
  6. Step 6: Final answer
    x = 28,094.04

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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.