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Finding the Fourth Proportional to 35,347.76, 48,779.96 and 19,432.48

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Solution

The fourth proportional to 35,347.76, 48,779.96 and 19,432.48 is: 26,816.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,347.76 : 48,779.96 = 19,432.48 : x
  2. Step 2: Convert to fraction form
    35,347.76/48,779.96 = 19,432.48/x
  3. Step 3: Cross multiply
    35,347.76x = 48,779.96 × 19,432.48
  4. Step 4: Simplify right side
    35,347.76x = 947,915,597.10
  5. Step 5: Solve for x
    x = 947,915,597.10/35,347.76
  6. Step 6: Final answer
    x = 26,816.85

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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.