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Finding the Fourth Proportional to 7,050.48, 9,720.48 and 4,528.08

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Solution

The fourth proportional to 7,050.48, 9,720.48 and 4,528.08 is: 6,242.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,050.48 : 9,720.48 = 4,528.08 : x
  2. Step 2: Convert to fraction form
    7,050.48/9,720.48 = 4,528.08/x
  3. Step 3: Cross multiply
    7,050.48x = 9,720.48 × 4,528.08
  4. Step 4: Simplify right side
    7,050.48x = 44,015,111.08
  5. Step 5: Solve for x
    x = 44,015,111.08/7,050.48
  6. Step 6: Final answer
    x = 6,242.85

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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.