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Finding the Fourth Proportional to 7,559.60, 10,428.14 and 4,829.04

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Solution

The fourth proportional to 7,559.60, 10,428.14 and 4,829.04 is: 6,661.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,559.60 : 10,428.14 = 4,829.04 : x
  2. Step 2: Convert to fraction form
    7,559.60/10,428.14 = 4,829.04/x
  3. Step 3: Cross multiply
    7,559.60x = 10,428.14 × 4,829.04
  4. Step 4: Simplify right side
    7,559.60x = 50,357,905.19
  5. Step 5: Solve for x
    x = 50,357,905.19/7,559.60
  6. Step 6: Final answer
    x = 6,661.45

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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.