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Finding the Fourth Proportional to 56,946.52, 85,472.28 and 28,886.26

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Solution

The fourth proportional to 56,946.52, 85,472.28 and 28,886.26 is: 43,356.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,946.52 : 85,472.28 = 28,886.26 : x
  2. Step 2: Convert to fraction form
    56,946.52/85,472.28 = 28,886.26/x
  3. Step 3: Cross multiply
    56,946.52x = 85,472.28 × 28,886.26
  4. Step 4: Simplify right side
    56,946.52x = 2,468,974,502.87
  5. Step 5: Solve for x
    x = 2,468,974,502.87/56,946.52
  6. Step 6: Final answer
    x = 43,356.02

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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.