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Finding the Fourth Proportional to 9,909,854.40, 14,864,781.60 and 9,909,854.40

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Solution

The fourth proportional to 9,909,854.40, 14,864,781.60 and 9,909,854.40 is: 14,864,781.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,909,854.40 : 14,864,781.60 = 9,909,854.40 : x
  2. Step 2: Convert to fraction form
    9,909,854.40/14,864,781.60 = 9,909,854.40/x
  3. Step 3: Cross multiply
    9,909,854.40x = 14,864,781.60 × 9,909,854.40
  4. Step 4: Simplify right side
    9,909,854.40x = 147,307,821,343,799.03
  5. Step 5: Solve for x
    x = 147,307,821,343,799.03/9,909,854.40
  6. Step 6: Final answer
    x = 14,864,781.60

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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.