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Finding the Fourth Proportional to 84,657.70, 116,828.94 and 46,420.74

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Solution

The fourth proportional to 84,657.70, 116,828.94 and 46,420.74 is: 64,061.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,657.70 : 116,828.94 = 46,420.74 : x
  2. Step 2: Convert to fraction form
    84,657.70/116,828.94 = 46,420.74/x
  3. Step 3: Cross multiply
    84,657.70x = 116,828.94 × 46,420.74
  4. Step 4: Simplify right side
    84,657.70x = 5,423,285,848.22
  5. Step 5: Solve for x
    x = 5,423,285,848.22/84,657.70
  6. Step 6: Final answer
    x = 64,061.34

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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.