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Finding the Fourth Proportional to 7,079.49, 9,776.28 and 4,567.50

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Solution

The fourth proportional to 7,079.49, 9,776.28 and 4,567.50 is: 6,307.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,079.49 : 9,776.28 = 4,567.50 : x
  2. Step 2: Convert to fraction form
    7,079.49/9,776.28 = 4,567.50/x
  3. Step 3: Cross multiply
    7,079.49x = 9,776.28 × 4,567.50
  4. Step 4: Simplify right side
    7,079.49x = 44,653,158.90
  5. Step 5: Solve for x
    x = 44,653,158.90/7,079.49
  6. Step 6: Final answer
    x = 6,307.40

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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.