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Finding the Fourth Proportional to 35,695.48, 49,258.98 and 19,779.88

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Solution

The fourth proportional to 35,695.48, 49,258.98 and 19,779.88 is: 27,295.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,695.48 : 49,258.98 = 19,779.88 : x
  2. Step 2: Convert to fraction form
    35,695.48/49,258.98 = 19,779.88/x
  3. Step 3: Cross multiply
    35,695.48x = 49,258.98 × 19,779.88
  4. Step 4: Simplify right side
    35,695.48x = 974,336,713.32
  5. Step 5: Solve for x
    x = 974,336,713.32/35,695.48
  6. Step 6: Final answer
    x = 27,295.80

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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.