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Finding the Fourth Proportional to 84,483.65, 116,574.40 and 48,666.65

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Solution

The fourth proportional to 84,483.65, 116,574.40 and 48,666.65 is: 67,152.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,483.65 : 116,574.40 = 48,666.65 : x
  2. Step 2: Convert to fraction form
    84,483.65/116,574.40 = 48,666.65/x
  3. Step 3: Cross multiply
    84,483.65x = 116,574.40 × 48,666.65
  4. Step 4: Simplify right side
    84,483.65x = 5,673,285,523.76
  5. Step 5: Solve for x
    x = 5,673,285,523.76/84,483.65
  6. Step 6: Final answer
    x = 67,152.47

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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.