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Finding the Fourth Proportional to 35,698.30, 49,264.05 and 19,783.06

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Solution

The fourth proportional to 35,698.30, 49,264.05 and 19,783.06 is: 27,300.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,698.30 : 49,264.05 = 19,783.06 : x
  2. Step 2: Convert to fraction form
    35,698.30/49,264.05 = 19,783.06/x
  3. Step 3: Cross multiply
    35,698.30x = 49,264.05 × 19,783.06
  4. Step 4: Simplify right side
    35,698.30x = 974,593,656.99
  5. Step 5: Solve for x
    x = 974,593,656.99/35,698.30
  6. Step 6: Final answer
    x = 27,300.84

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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.