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Finding the Fourth Proportional to 93,479.55, 129,006.72 and 51,038.25

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Solution

The fourth proportional to 93,479.55, 129,006.72 and 51,038.25 is: 70,435.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,479.55 : 129,006.72 = 51,038.25 : x
  2. Step 2: Convert to fraction form
    93,479.55/129,006.72 = 51,038.25/x
  3. Step 3: Cross multiply
    93,479.55x = 129,006.72 × 51,038.25
  4. Step 4: Simplify right side
    93,479.55x = 6,584,277,227.04
  5. Step 5: Solve for x
    x = 6,584,277,227.04/93,479.55
  6. Step 6: Final answer
    x = 70,435.48

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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.