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Finding the Fourth Proportional to 47,123.60, 65,030.79 and 25,904.24

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Solution

The fourth proportional to 47,123.60, 65,030.79 and 25,904.24 is: 35,747.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,123.60 : 65,030.79 = 25,904.24 : x
  2. Step 2: Convert to fraction form
    47,123.60/65,030.79 = 25,904.24/x
  3. Step 3: Cross multiply
    47,123.60x = 65,030.79 × 25,904.24
  4. Step 4: Simplify right side
    47,123.60x = 1,684,572,866.40
  5. Step 5: Solve for x
    x = 1,684,572,866.40/47,123.60
  6. Step 6: Final answer
    x = 35,747.97

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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.