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Finding the Fourth Proportional to 29,483.40, 40,688.04 and 16,055.20

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Solution

The fourth proportional to 29,483.40, 40,688.04 and 16,055.20 is: 22,156.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,483.40 : 40,688.04 = 16,055.20 : x
  2. Step 2: Convert to fraction form
    29,483.40/40,688.04 = 16,055.20/x
  3. Step 3: Cross multiply
    29,483.40x = 40,688.04 × 16,055.20
  4. Step 4: Simplify right side
    29,483.40x = 653,254,619.81
  5. Step 5: Solve for x
    x = 653,254,619.81/29,483.40
  6. Step 6: Final answer
    x = 22,156.69

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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.