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Finding the Fourth Proportional to 70,037.93, 96,656.92 and 39,826.07

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Solution

The fourth proportional to 70,037.93, 96,656.92 and 39,826.07 is: 54,962.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,037.93 : 96,656.92 = 39,826.07 : x
  2. Step 2: Convert to fraction form
    70,037.93/96,656.92 = 39,826.07/x
  3. Step 3: Cross multiply
    70,037.93x = 96,656.92 × 39,826.07
  4. Step 4: Simplify right side
    70,037.93x = 3,849,465,261.90
  5. Step 5: Solve for x
    x = 3,849,465,261.90/70,037.93
  6. Step 6: Final answer
    x = 54,962.58

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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.