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Finding the Fourth Proportional to 25,683.70, 35,445.12 and 14,354.01

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Solution

The fourth proportional to 25,683.70, 35,445.12 and 14,354.01 is: 19,809.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,683.70 : 35,445.12 = 14,354.01 : x
  2. Step 2: Convert to fraction form
    25,683.70/35,445.12 = 14,354.01/x
  3. Step 3: Cross multiply
    25,683.70x = 35,445.12 × 14,354.01
  4. Step 4: Simplify right side
    25,683.70x = 508,779,593.47
  5. Step 5: Solve for x
    x = 508,779,593.47/25,683.70
  6. Step 6: Final answer
    x = 19,809.44

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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.