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Finding the Fourth Proportional to 58,472.36, 87,708.54 and 46,858.76

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Solution

The fourth proportional to 58,472.36, 87,708.54 and 46,858.76 is: 70,288.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,472.36 : 87,708.54 = 46,858.76 : x
  2. Step 2: Convert to fraction form
    58,472.36/87,708.54 = 46,858.76/x
  3. Step 3: Cross multiply
    58,472.36x = 87,708.54 × 46,858.76
  4. Step 4: Simplify right side
    58,472.36x = 4,109,913,425.81
  5. Step 5: Solve for x
    x = 4,109,913,425.81/58,472.36
  6. Step 6: Final answer
    x = 70,288.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.