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Finding the Fourth Proportional to 35,442.80, 48,911.19 and 19,526.90

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Solution

The fourth proportional to 35,442.80, 48,911.19 and 19,526.90 is: 26,947.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,442.80 : 48,911.19 = 19,526.90 : x
  2. Step 2: Convert to fraction form
    35,442.80/48,911.19 = 19,526.90/x
  3. Step 3: Cross multiply
    35,442.80x = 48,911.19 × 19,526.90
  4. Step 4: Simplify right side
    35,442.80x = 955,083,916.01
  5. Step 5: Solve for x
    x = 955,083,916.01/35,442.80
  6. Step 6: Final answer
    x = 26,947.20

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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.