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Finding the Fourth Proportional to 67,718.70, 93,405.56 and 46,461.06

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Solution

The fourth proportional to 67,718.70, 93,405.56 and 46,461.06 is: 64,084.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,718.70 : 93,405.56 = 46,461.06 : x
  2. Step 2: Convert to fraction form
    67,718.70/93,405.56 = 46,461.06/x
  3. Step 3: Cross multiply
    67,718.70x = 93,405.56 × 46,461.06
  4. Step 4: Simplify right side
    67,718.70x = 4,339,721,095.19
  5. Step 5: Solve for x
    x = 4,339,721,095.19/67,718.70
  6. Step 6: Final answer
    x = 64,084.53

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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.