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Finding the Fourth Proportional to 22,335,646.80, 31,206,132.60 and 22,335,646.80

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Solution

The fourth proportional to 22,335,646.80, 31,206,132.60 and 22,335,646.80 is: 31,206,132.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,335,646.80 : 31,206,132.60 = 22,335,646.80 : x
  2. Step 2: Convert to fraction form
    22,335,646.80/31,206,132.60 = 22,335,646.80/x
  3. Step 3: Cross multiply
    22,335,646.80x = 31,206,132.60 × 22,335,646.80
  4. Step 4: Simplify right side
    22,335,646.80x = 697,009,155,747,565.75
  5. Step 5: Solve for x
    x = 697,009,155,747,565.75/22,335,646.80
  6. Step 6: Final answer
    x = 31,206,132.60

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.