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Finding the Fourth Proportional to 35,698.76, 49,263.54 and 19,783.07

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Solution

The fourth proportional to 35,698.76, 49,263.54 and 19,783.07 is: 27,300.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,698.76 : 49,263.54 = 19,783.07 : x
  2. Step 2: Convert to fraction form
    35,698.76/49,263.54 = 19,783.07/x
  3. Step 3: Cross multiply
    35,698.76x = 49,263.54 × 19,783.07
  4. Step 4: Simplify right side
    35,698.76x = 974,583,813.95
  5. Step 5: Solve for x
    x = 974,583,813.95/35,698.76
  6. Step 6: Final answer
    x = 27,300.22

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Double scale
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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.