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Finding the Fourth Proportional to 60,483.52, 83,421.06 and 53,684.68

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Solution

The fourth proportional to 60,483.52, 83,421.06 and 53,684.68 is: 74,043.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,483.52 : 83,421.06 = 53,684.68 : x
  2. Step 2: Convert to fraction form
    60,483.52/83,421.06 = 53,684.68/x
  3. Step 3: Cross multiply
    60,483.52x = 83,421.06 × 53,684.68
  4. Step 4: Simplify right side
    60,483.52x = 4,478,432,911.36
  5. Step 5: Solve for x
    x = 4,478,432,911.36/60,483.52
  6. Step 6: Final answer
    x = 74,043.85

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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.