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Finding the Fourth Proportional to 35,655.60, 53,468.36 and 10,699.20

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Solution

The fourth proportional to 35,655.60, 53,468.36 and 10,699.20 is: 16,044.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,655.60 : 53,468.36 = 10,699.20 : x
  2. Step 2: Convert to fraction form
    35,655.60/53,468.36 = 10,699.20/x
  3. Step 3: Cross multiply
    35,655.60x = 53,468.36 × 10,699.20
  4. Step 4: Simplify right side
    35,655.60x = 572,068,677.31
  5. Step 5: Solve for x
    x = 572,068,677.31/35,655.60
  6. Step 6: Final answer
    x = 16,044.29

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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.