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Finding the Fourth Proportional to 67,970.19, 93,825.03 and 45,300.90

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Solution

The fourth proportional to 67,970.19, 93,825.03 and 45,300.90 is: 62,532.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,970.19 : 93,825.03 = 45,300.90 : x
  2. Step 2: Convert to fraction form
    67,970.19/93,825.03 = 45,300.90/x
  3. Step 3: Cross multiply
    67,970.19x = 93,825.03 × 45,300.90
  4. Step 4: Simplify right side
    67,970.19x = 4,250,358,301.53
  5. Step 5: Solve for x
    x = 4,250,358,301.53/67,970.19
  6. Step 6: Final answer
    x = 62,532.68

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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.