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Finding the Fourth Proportional to 4,878.52, 7,332.54 and 4,295.32

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Solution

The fourth proportional to 4,878.52, 7,332.54 and 4,295.32 is: 6,455.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,878.52 : 7,332.54 = 4,295.32 : x
  2. Step 2: Convert to fraction form
    4,878.52/7,332.54 = 4,295.32/x
  3. Step 3: Cross multiply
    4,878.52x = 7,332.54 × 4,295.32
  4. Step 4: Simplify right side
    4,878.52x = 31,495,605.71
  5. Step 5: Solve for x
    x = 31,495,605.71/4,878.52
  6. Step 6: Final answer
    x = 6,455.98

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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.