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Finding the Fourth Proportional to 60,809.47, 90,814.96 and 51,829.10

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Solution

The fourth proportional to 60,809.47, 90,814.96 and 51,829.10 is: 77,403.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,809.47 : 90,814.96 = 51,829.10 : x
  2. Step 2: Convert to fraction form
    60,809.47/90,814.96 = 51,829.10/x
  3. Step 3: Cross multiply
    60,809.47x = 90,814.96 × 51,829.10
  4. Step 4: Simplify right side
    60,809.47x = 4,706,857,643.34
  5. Step 5: Solve for x
    x = 4,706,857,643.34/60,809.47
  6. Step 6: Final answer
    x = 77,403.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.