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Finding the Fourth Proportional to 6,970.47, 9,622.98 and 5,373.63

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Solution

The fourth proportional to 6,970.47, 9,622.98 and 5,373.63 is: 7,418.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,970.47 : 9,622.98 = 5,373.63 : x
  2. Step 2: Convert to fraction form
    6,970.47/9,622.98 = 5,373.63/x
  3. Step 3: Cross multiply
    6,970.47x = 9,622.98 × 5,373.63
  4. Step 4: Simplify right side
    6,970.47x = 51,710,334.02
  5. Step 5: Solve for x
    x = 51,710,334.02/6,970.47
  6. Step 6: Final answer
    x = 7,418.49

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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.