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Finding the Fourth Proportional to 35,459.64, 48,933.72 and 19,545.57

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Solution

The fourth proportional to 35,459.64, 48,933.72 and 19,545.57 is: 26,972.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,459.64 : 48,933.72 = 19,545.57 : x
  2. Step 2: Convert to fraction form
    35,459.64/48,933.72 = 19,545.57/x
  3. Step 3: Cross multiply
    35,459.64x = 48,933.72 × 19,545.57
  4. Step 4: Simplify right side
    35,459.64x = 956,437,449.62
  5. Step 5: Solve for x
    x = 956,437,449.62/35,459.64
  6. Step 6: Final answer
    x = 26,972.57

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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.