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Finding the Fourth Proportional to 35,709.59, 49,276.76 and 19,792.69

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Solution

The fourth proportional to 35,709.59, 49,276.76 and 19,792.69 is: 27,312.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,709.59 : 49,276.76 = 19,792.69 : x
  2. Step 2: Convert to fraction form
    35,709.59/49,276.76 = 19,792.69/x
  3. Step 3: Cross multiply
    35,709.59x = 49,276.76 × 19,792.69
  4. Step 4: Simplify right side
    35,709.59x = 975,319,412.73
  5. Step 5: Solve for x
    x = 975,319,412.73/35,709.59
  6. Step 6: Final answer
    x = 27,312.53

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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.