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Finding the Fourth Proportional to 17,713,985.60, 26,570,978.40 and 11,331,444.80

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Solution

The fourth proportional to 17,713,985.60, 26,570,978.40 and 11,331,444.80 is: 16,997,167.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,713,985.60 : 26,570,978.40 = 11,331,444.80 : x
  2. Step 2: Convert to fraction form
    17,713,985.60/26,570,978.40 = 11,331,444.80/x
  3. Step 3: Cross multiply
    17,713,985.60x = 26,570,978.40 × 11,331,444.80
  4. Step 4: Simplify right side
    17,713,985.60x = 301,087,575,021,592.31
  5. Step 5: Solve for x
    x = 301,087,575,021,592.31/17,713,985.60
  6. Step 6: Final answer
    x = 16,997,167.20

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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.