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Finding the Fourth Proportional to 86,569.71, 119,466.32 and 48,847.47

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Solution

The fourth proportional to 86,569.71, 119,466.32 and 48,847.47 is: 67,409.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,569.71 : 119,466.32 = 48,847.47 : x
  2. Step 2: Convert to fraction form
    86,569.71/119,466.32 = 48,847.47/x
  3. Step 3: Cross multiply
    86,569.71x = 119,466.32 × 48,847.47
  4. Step 4: Simplify right side
    86,569.71x = 5,835,627,482.21
  5. Step 5: Solve for x
    x = 5,835,627,482.21/86,569.71
  6. Step 6: Final answer
    x = 67,409.58

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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.