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Finding the Fourth Proportional to 70,036.93, 96,655.54 and 39,825.07

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Solution

The fourth proportional to 70,036.93, 96,655.54 and 39,825.07 is: 54,961.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,036.93 : 96,655.54 = 39,825.07 : x
  2. Step 2: Convert to fraction form
    70,036.93/96,655.54 = 39,825.07/x
  3. Step 3: Cross multiply
    70,036.93x = 96,655.54 × 39,825.07
  4. Step 4: Simplify right side
    70,036.93x = 3,849,313,267.85
  5. Step 5: Solve for x
    x = 3,849,313,267.85/70,036.93
  6. Step 6: Final answer
    x = 54,961.19

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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.