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Finding the Fourth Proportional to 6,900.88, 9,528.84 and 4,547.60

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Solution

The fourth proportional to 6,900.88, 9,528.84 and 4,547.60 is: 6,279.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,900.88 : 9,528.84 = 4,547.60 : x
  2. Step 2: Convert to fraction form
    6,900.88/9,528.84 = 4,547.60/x
  3. Step 3: Cross multiply
    6,900.88x = 9,528.84 × 4,547.60
  4. Step 4: Simplify right side
    6,900.88x = 43,333,352.78
  5. Step 5: Solve for x
    x = 43,333,352.78/6,900.88
  6. Step 6: Final answer
    x = 6,279.40

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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.