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Finding the Fourth Proportional to 56,292.71, 84,477.51 and 30,015.90

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Solution

The fourth proportional to 56,292.71, 84,477.51 and 30,015.90 is: 45,044.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,292.71 : 84,477.51 = 30,015.90 : x
  2. Step 2: Convert to fraction form
    56,292.71/84,477.51 = 30,015.90/x
  3. Step 3: Cross multiply
    56,292.71x = 84,477.51 × 30,015.90
  4. Step 4: Simplify right side
    56,292.71x = 2,535,668,492.41
  5. Step 5: Solve for x
    x = 2,535,668,492.41/56,292.71
  6. Step 6: Final answer
    x = 45,044.35

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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.