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Finding the Fourth Proportional to 7,055.60, 10,607.80 and 6,598.80

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Solution

The fourth proportional to 7,055.60, 10,607.80 and 6,598.80 is: 9,921.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,055.60 : 10,607.80 = 6,598.80 : x
  2. Step 2: Convert to fraction form
    7,055.60/10,607.80 = 6,598.80/x
  3. Step 3: Cross multiply
    7,055.60x = 10,607.80 × 6,598.80
  4. Step 4: Simplify right side
    7,055.60x = 69,998,750.64
  5. Step 5: Solve for x
    x = 69,998,750.64/7,055.60
  6. Step 6: Final answer
    x = 9,921.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.